Railway exam general awarness,aptitude and current affairs questions

1)Where is located Sangay volcanic Mount?
Answer=Ecuador
(The capital of ecuador country is Quito)
2)Who had introduced Ryotwari system in india?
Answer=Thomas Munro(1820)
3)Where is located Achanakmar wildlife Sanctuary?
Answer=chhattisgarh(1975)
4)Who is the Father of Genetics?
Answer=Gregor Johann Mendel
(Term genetics was first used by william Bateson in 1905)
5)National Science Day is observed on?
Answer=February 28
(National science day is celebrated for sir CV Raman,Who has discovered Raman effect in this day)
6)Who has been appointed BBB(Banks board of bureau)?
Answer=Vinod Rai
(He is the former CAG-comptroller and Auditor general)
7)Which team has won Ranji Trophy for 2016?
Answer=Mumbai
(Mumbai has won 2016 Ranji trophy 41st time defeated by saurashtra by 21 runs)
8)Who is the chairman of FIFA(Federation Internationale de Football Association)?
Answer=Gianni Infantino
(He is from Switzerland)
9)President pranab Mukherjee has declared as india's First digital state?
Answer=Kerala
(It was announced by pranab mukherjee after launching digital empowerment function held at Kozhikkode)
10)Who has been awarded Aryabhata Award?
Answer=Avinash chander
(He was the former DRDO(defence research development organisation) and got award from  Astronautical Society of India)
11)Three numbers are in the ratio of 3:4:5 and their L.C.M is 2400.Their H.C.F is?
Answer=40
(Let the numbers be 3x,4x,5x,then, their L.C.M=60x
so,60x=2400
x=40,(3*40),(4*40),(5*40)
H.C.F=40)
12)A barrel of water 4/5 full.When 7 bottles of water were taken out and 5 bottles of water were poured into it, it was 3/4 full,How many bottles of water can the tin contain?
Answer=40
(Suppose x bottles can fill the tin completely,
Then,(4/5)x-(3/4)x=(7-5)
x/20=2
Required number of bottles=40)
13)Two pipes A and B can fill a tank in 6 hours and 4 hours respectively.If they are opened an alternate hours and if pipe A is opened first, in how many hours, the tank shall be full?
Answer=5 hours
(A's work in 1 hour=1/6
B's work in 1 hour=1/4
(A+B)'s 2 hours work when opened alternately=(1/6)+(1/4)=5/12
(A+B)'s 4 hours work when opened alternately=(5*2)/12=10/12=5/6
Remaining part=(1-(5/6))=1/6
Now A's turn and 1/6 part is filled by A in 1 hour
Total time taken to fill the tank=(4+1)hrs=5 hrs)
14)TRADE is related to UQBCF in the same way as PLATE is related to?
Answer=QKBSF
15)In a code language SECTOR is written as CESROT.How will OPPOSITION be written in the same code language?
Answer=SOPPONOITI

Railway exam Aptitude,Reasoning,Current affairs Questions

1)Two numbers are in the ratio of 16:12,If their H.C.F is 14,find the numbers?
Answer=224,168
(Let the required numbers be 16x,12x
Then,their H.C.F x,so x=14
The numbers required are(16*14)=224,(12*14)=168
The required numbers=224,168)
2)Three different containers contain 500 litres,450 litres and 375 litres of mixtures of milk and water respectively,what biggest measure can measure all different quantities exactly?
Answer=25
(Requird measurement=H.C.F of 500 litres,450 litres,375 litres
H.C.F  of three numbers=5*5=25)
3)A tailor has 42.5 metres of cloth and he has to make 9 pieces out of a metre of cloth,
How many pieces can he make out of hthis cloth?
Answer=386 nos
(Length of each piece=(1/9)=0.11 metre
Required number of pieces=(42.5/0.11)=386.36=386 nos)
4)When an amount was distributed among 15 boys,each if them got Rs.90 more than the amount received by each boy when the same amount is distribyted equally among 20 boys.what was the amount?
Answer=5400
((x/15)-(x/20))=90
((20x-15x)/300)=90
5x/300=90
5x=90*300
x=5400)
5)The price of a T.V set is decreased by 25% as a result of which the sale increased by 20%,What will be the effect on the total revenue of the shop?
Answer=10% decrease
((-25+20-(25*20)/100)=-10(10% decrease)
6)Who has been appointed Director general of Indian coast guard?
Answer=Rajendra singh
7)Who has been sworn chief justice of karnataka high court?
Answer=Subhro Kamal Mukherjee
8)Tropical cyclone has recently hit which country?
Answer=Fiji
(Fiji capital is suva)
9)The National science day is observed on?
Answer=February 28
10)Which cricket player have got fastest test century in the world?
Answer=Brendon McCullam
(He is the newzealand cricketer and he retired from international cricket)
11)THEREFORE is to TEEOERFRH as HELICOPTER is to?
Answer=HLCPERTOIE
12)In a certain code,KAVERI is written as VAKIRE.How is MYSORE written in that code?
Answer=SYMERO
(MYSORE----MYS/ORE----SYM/ERO----SYMERO)
13)A class of boys stands in a single line.One boy is nineteenth in order from both the ends.How many boys are there in the class?
Answer=37
14)Five friends are sitting in a row.'T' is on the right of 'z'.'N' is on the left of 'z'.but is on the right of 'L'.'T' is on the left of 'K'.who is sitting first from the left?
Answer=L
15)Kailash faces towards north.Turning to his right,he walks 25 metres.He then turns to his left and walks 30 metres.Next,he moves 25 metres to his right.He then turns to his right again and walks 55 metres . Finally,he turns to the right and moves 40 metres. In which direction is he now from his starting point?
Answer=south-east

Railway exam general awarness,aptitude and current affairs questions

1)The International Institute of Measurement is located in?
Answer=Paris
2)What is the major component of bones and teeth?
Answer=Calcium phosphate
3)The Tropic of cancer does not pass through?
Answer=Bangladesh
4)Which of the following states has largest number of Assembly seats in India?
Answer=Uttar pradesh(404)
5)Where is located Sanjay Gandhi National Park in India?
Answer=Maharastra
(This park old name is Borivali national park)
6)Who has been selected for NHRC(National human rights commission)?
Answer=HL Dattu
(He was the Ex-Chief justice of india)
7)Which country parliment building has completely run by solar power system?‎
Answer=Pakistan
8)Where is held IBSAMAR2016 Naval exercise?
Answer=Goa
(IBSA-india,brazil,southafrica)
9)In the term "Khajuraho" related to?
Answer=Dance
(Khajurho dance is the festival dance Celebrating in madhya pradesh)‎
10) ‎Which indian flim has won the best children's flim award at the 2016 Berlin international flim festival?
Answer=Ottal(The trap)
‎11)If the cost price is 80% of the selling price, then what is the profit percentage?
Answer=25%
(selling price=100
cost price=80,profit=20
profit%=((20/80)*100)=25%)
12)The cost price of 30 articles is equal to selling price of 20 articles.Find the gain or loss percent?
Answer=50%
(cost price of article=20
selling price of article=30
profit percentage=((30-20)/20)*100=50%)
13)20 litres of a mixture contains milk and wate in the ration of 5:3.If 4 litres of the mixture be replaced by 4 litres of milk, the ratio of milk to water in the new mixture would be?
Answer=7:3
(Quantity of milk in 16 litres of mix=((16)*(5/8))litres=10 litres
Quantity of milk in 20 litres of new mix=(10+4) litres
Quantity of water in it=(20-14) litres=6 litres.
Ratio of milk and water in the new mix=14:6=7:3)

14)Poonam walks 3 km.northward and then she turns left and moves 2 km.she again turns left and goes 3 km and turns to her right and starts walking straight. In which direction is she walking now?

Answer=West

15)In a certain code,TEACHER is written as VGCEJGT,How is CHILDREN written in that code?

Answer=EJKNFTGP

‎

Railway exam general awarness,aptitude and current affairs questions

1)Eight degree channel is situated between?
Answer=Lakshadweep and Maldives
2)Which of the following does not involve a chemical reaction?
Answer=melting of candle wax on heating
3)Whom did the greek authors call "Amitraghat"(slayer of foes)?
Answer=Bindusara
(Greek ambassador Deimachos visited this court)
4)What is the meaning of Myopia(short sightedness)?
Answer=A short-sighted eye can see only neare objects.Distant objects are not seen clearly, This defect can be removed by using concave lens of suitable focal length.)
5)What is the specific names of playing areas in golf sport?
Answer=Link,green
6)Who has been appointed NCRTC(National capital regional transport corporation)?
Answer=Vinay kumar singh
7)The Indian Institute of Petroleum and Energy (IIPE) has been established at which city?
Answer=Visakhapatnam
8)International mother language day(Bhasha divas) is observed on?
Answer=February 21
9)Prime minister Narendra Modi has recently inaugurated National Rural mission in which state?
Answer=Chhattisgarh
10)Who has been appointed Director general of Directorate revenue intelligence(DRI)?
Answer=Jayant mishra
11)There are two sections A and B of a class,consisting of 36 and 44 students respectively. If the average weight of section A is 40 kg and that of section B is 35 kg,find the average weight of the whole class?
Answer=37.25kg
(total weight of students=(36*40+44*35)kg=2980 kg
Average wight of the whole class=(2980/80)kg=37.25 kg)
12)The average weight of 8 person in a classroom is increased by 1.5 kg,when one of the boy,who weight 55 kg is replaced by a new boy. Find the wegit of the new boy?
Answer= 67 kg
(Total weight increased=8*1.5=12
weight of the new boy=12+55=67)
13)3)If A's salary is 30% less than B's salary, by how much percent is B's salary more than A's?
Answer=42.85%
(Required percentage=((30)/(100-30))*100)%=42.85%)
14)Rajesh ranked ninth from the top and thirty-eighth from the bottom in a class. How many students are ther in the class?
Answer=46
15)If DELHI can be coded as CCIDD,how would you code BOMBAY?
Answer=AMJXVS

Railway exam general awarness,aptitude and current affairs questions

1)In which of the following lists of the Indian constitution is the subject of "population control' and "family planning" included?
Answer=Concurrent list(it is the source of from australia)
2)In which year Battle of panipat war was held?
Answer=1526 A.D
(The fight between Babar and Ibrahim lodhi at place of panipat(haryana))
3)Who built the kailash temple of Ellora?
answer=Rashtrakurs
(It is in Aurangabad,Maharashtra)
4)"Nikkei 225" is related to which country?
Answer=Japan
(The term is realted to famous stock exchange of japan country)
5)What is the meaning for Pink revolution in india?
Answer=Onion production/Pharamaceutical(india)/Prawn production
6)Who is the food processing industry minister of India?
Answer=Harsimrat Kaur Badal
(recently,Jharkand's mega food park programme is inaugrated by harsimrat kaur badal at village of getalsud,near ranchi district)
7)Who has been elected for ICAI(insititue of charted accountants of india)?
Answer=M Devaraja Reddy
8)Apple is setting up its first technology development center outside the US, in?
Answer=Hyderabad
9)Who has been named ambassador of the government's 'Make in India' initiative programme?
Answer=Piruz Khambatta
(He is the chairman of Rasna)
10)Where is located Jaldapara Wildlife Sanctuary?
Answer=West bengal
(It has main reserve for Rhinocerose)
11)The length of a plot is twice its breadth,its area is 4050 sq.m.find the cost of fencing the plot at Rs.2.50 per metre?
Answer=Rs.675
(Let the breadth be=x,length=2x
Area=2x*x=2x^2
2x^2=4050,x^2=2025
x=45 meter,
Perimeter=2(l+b)=2(2x+x)=6x=270,
Total cost of fencing=270x2.50=Rs.675)
12)Train-A crosses a pole in 25 seconds and another Train-B crosses pole in 1 minute and 15 seconds. Length  of train-A is half length of train B. What is the respective ration between the speeds of train A and train B?
Answer=3:2
(If the length of train A be x metre, then length of train B 2x metre.
When a train crosses a pole.It covers a distance equal to its own length,
Required ratio=(x/25):(2x/75)
(1/25):(2/75)
3:2)
13)The owner of a furniture shop charges his customer 28% ,more than the cost price. If a customer paid Rs.23,680 for a dining table set, the what was the original price of the dining table set?
Answer=Rs.18500
(Let the cost price of the dining table be Rs.x
According to the question,
x*(128/100)=23680
x=(23680*100)/128
x=Rs.18500)
14)On a particular day,sweets were to be equally distributed among 495 students of a school. However, on that particular day 396 students from a nearby school also joined them. Hence each student present on that day got foursweets less, How many sweets were distributed?
Answer=4455
(Let each student get x sweets,
number of sweets=495*x
According to the question,495x=891(x-4)
396x=891*4
x=3564/396=9
Hence, numer of sweets=495*9=4455)
15)What is the least number to be added to 4523 to make it a perfect square?
Answer=101
(Square of 68^2=4624
4624-4523=101
101 is added to 4523 got 4624 to get perfect square)

Railway exam general awarness,aptitude and current affairs questions,

1)To which god the famous konark temple was dedicated?
Answer=Surya(God of sun)
(The monument was also called the Black Pagoda,This temple was built by Yasho varman and he is from ganga dynasty)
2)Who was the first lady sultan of delhi?
Answer=Razia sultan
3)Who has discovered eletron particle?
Answer=JJ Thomson
(charge is =-1.6*10^-19,Mass=9.1*10^-31,position is around the nucleus)
4)What is the use of Iodine-131 Radioisotope?
Answer=It is useful for study the structure and activity of thyroid gland and useful for internal radiation therapy for the treatment of thyroid disease.)
5)What is the Botanical name of "Apple"?
Answer=Pyrus malus
6)What is the term of LAMITYE 2016?
Answer=seventh edition of India-seychelles joint military exercise,it was held on victoria(seychelles capital))
7)Which city has been named as first place of  Swachh Survekshan Survey for 2016?
Answer=Mysuru
(it was announced by venkaiah naidu during the Swachh Survekshan 2016 award function held in New Delhi.)
8)The world radio day is observed on?
Answer=february 13
9)Who is the first man to reach North pole?
Answer=Robert Peary
(he is from America)
10)What are the main components in LPG(liquified petroleum gas)?
Answer=butane and propane
(a strong foul smelling substance called ethyl mercaptan is added to LPG to detect the leakage.)
11)A dealer marks his goods 25% above cost price and then while selling gives a discount of 12% on market rice. What is is percentage of profit?
Answer=10%
(cost price=100
marked price=125
selling price=(88/100)*125=110
percentage of profit=(110-100)/100=10%)
12)The H.C.F of two numbers is 11 and their L.C.M is 7700.If one of the numbers is 275,the other is?
Answer=308
(other number is =(11*7700)/275=308)
13)The profit earned after selling an article for Rs.1754 is the same as loss incurred after selling the article for Rs.1492.what is the cost price of the article?
Answer=Rs.1623
(Let the cost price of the article be Rs.x
According to the question,1754-x=x-1492
2x=1754+1492=3246
x=3246/2=Rs.1623)
14)5  9  18  34  59  95  ?
Answer=144
(5+(2*2)=9
9+(3*3)=18
18+(4*4)=34
34+(5*5)=59
59+(6*6)=95
95+(7*7)=144)
15)In a row of children facing north, A stand 15th from left and B stands 9th from left,C who stands exactly between A and B is 7th from right what is the total number of children standing in the row?
Answer=17

Railway exam general awarness,aptitude and current affairs questions,

1)The layer of the atmosphere which reflects the radiowaves back to the earth is called?
Answer=Ionosphere
(Radio waves are bounced off the ions and reflect waves back to the earth. This generally helps radio communication)
2)Petroleum is found in?
Answer=sedimentary rocks
3)The National Bureau of Plant genetic resources is located at?
Answer=New Delhi
4)The deficiency of vitamin d(calciferol) causes?
Answer=Rickets
(Rickets in children(soft bones that bend easily),Osteamlacia painful bones in adults)
5)Dudhwa national park is in the state of?
Answer=Uttar pradesh
6)Which country has won under-19 worldcup for 2016?
Answer=Westindies
(westindies defeated india,Man of the match: Keacy Carty (West Indies),Player of the tournament: Mehidy Hasan Miraz (Bangaladesh)
7)Which bollywood actress has won the award of "pride of kerala"?
Answer=Vidhya Balan
8)Who has been appointed as the new director of indian insitute of millets research?
Answer=vilas tonapi
9)Which agreement is signed between Reserve Bank of India (RBI) and UAE Central Bank?
Answer=Currency swap agreement
(UAE's Central Bank Governor- Mubarak Rashed Al Mansoori)
10)Where is located Elephanta Island in India?
Answer=Maharastra
(it has another name is "city of caves")
11)A watch was sold at a profit of 15%.if its cost had been 5% less and it had been sold for Rs.21 less, then the profit would have been 10%.find the cost price of the watch?
Answer=Rs.200
(cost rice of watch=x
selling price=115x/100
(95x/100)*(110/100)=(115x/100)-21
(115x/100)-(1045x/1000)=21
10x=21*1000
x=(21*1000)/105=200)
12)A cloth merchant on selling 33 metres of cloth obtains a profit equal to the selling price of 11 metres of cloth.find the profit percentage?
Answer=50%
(selling price of 33 metre=profit of 11 metre
cost price=22 metre
selling price=33 metre
profit percentage=((33-22)/22)*100=50%)
13)An article was sold at a loss of 29%.Had it been sold for Rs.84 more,11% would have been gained;the cost price of that article is?
Answer=Rs.210
((111-71)*x)/100=210
(40*x)/100=210
x=Rs.210)
14)Gopal is elder than mohan,but younger than Ram.mohan is elder than sohan but younger than Ram. The eldest of them is?
Answer=Ram
15)Deepak walks 40 metre in North direction,then he turns right and walks 50 metre.He again turns right and walks 40 metre.How far he is with respect to his original position?
Answer=50 metre

Railway exam general awarness,aptitude and current affairs questions

1)Which city is known as "Electronic city"?
Answer=Bangalore
2)Which among the following is studied under "fulminology"?
Answer=Lightning
3)17th parallel line is the border between?
Answer=North vietnam and South vietnam
4)X-rays cannot pass through?
Answer=Bones
( it was discovered by Wilhelm Roentgen)
5)Which city is called "pink city of India"?
Answer=Jaipur
6)"Ishan Kishan" is related to which sports?
Answer=Cricket
(he is the indian captain of under-19 for 2016 world cup and he is from gujarat)
7)World water day is observed on ?
Answer=march 22
8)What is the capital of Libya country?
Answer=Tripoli
(currency is libyan dinar)
9)Who has discovered  Rabies disease vaccine?
Answer=charles nicolle(1909)
10)In a sprayer the liquid rises in the tube due to?
Answer= lower pressure at the upper end
11)Two pipes A and B can fil a tank in 20 hrs and 30 hars respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?
Answer=12 hours
(part filled by A in 1 hr=1/20
part filled by b in 1 hr=1/30
part filled by (A+B) in 1 hour=(1/20)+(1/30)=1/12
Hencem bothe the pipes together will fill the tank in 12 hrs)
12)The area of a squarefield is 625 sq.km. How long will a horse take to run around it at a speed of 10 km/hour?
Answer=10 hrs
(Area is 625 km,Each side of the field=25 km
perfimeter of the field=100 km,
The hourse will take 10 hrs,to around the field.)
13)The sum of the present ages of father and his son is 60 years. 6 years ago, father's age was five times the age of the son.After six years son's age will be?
Answer=20 years
(suppose father's age=x yers
son's age=60-x
By hypothesis,
x-6=5(60-x-6)=270-5x
6x=476
x=46)
14)In a certain code ACQUIRE is written as EIRUQAC, how is DENSITY written in that code?
Answer=YITSNDE
15)The product of two nimbers 1923 and 172 is 330756.Then the product of 19.23 and 0.172 is?
Answer=3.330756

Railway exam general awarness,aptitude and current affairs questions

1)Which article of the constitution abolishes untochability?
Answer=Article 17
2)The speaker of the lok sabha has to address his letter resignation to?
Answer=Deputy speaker of  lok sabha
3)Who was the foreigner to come to india in the reign of chandragupta II(Vikramaditya)?
Answer=Fahien
4)Who is called an Indian Napoleon?
Answer=Samudra gupta
(He is the gupta dynasty and he was called indian napoleon by V A smith,because of great military conquest)
5)Who is called the price of Builder?
Answer=Shahjahan
(his reign is considered the golden age of the mughal empire)
6)Where is held  fourth World Government Summit?
Answer=Dubai,UAE
( Karnataka mobile one governce model application has won gold medal at this summit)
7)who has been named as vice chairman of  ICC(International chamber of  commerce commision)?
Answer=Davinder Singh
(Mr. Singh is one of top Indian-origin lawyer in Singapore)
8)India's  first-ever aviation park will come-up in which state?
Answer=gujarat
(Gujarat government has planned to setup  the country's first-ever aviation park near ahmedabad including an airstrip,training school,helipad and space for setting up small manufacturing units among others.)
9)Who has been appointed as new Australian high commissioner to india?
Answer=Harinder sindhu
10)What is the name of Sweden country parliment name?
Answer=Riksdag
11)Ram's present age is one-sixth of his father's present age. If the difference between their present ages is 35 years, the what is father's present age?
Answer=42 years
(Ram's age =x,
Ram's fa ther age=y,
x=(1/6)y
if,y-x=35,then
    y-(y/6)=35
5y=36*6,y=42
father's age=42 years)
12)If the cost price of 12 pens is equal to the selling price of 8 pens,then the gain percent is,
Answer=50%
(cost price =8 pens
selling price=12 pens
gain percentage=((12-8)/8)*100=50%)
13)A wire is looped in the form of a circle of radius 28cm.it is re-bent into a square form.Find the length of the side of the square?
Answer=44cm
(length of the wire=2IIr=2*(22/7)*28=176cm
sicne it is rebent in the form of a squre, therefore the length of the side of the square=176/4=44cm)
14)if TORTISE is coded as VQTVKUG,ELEPHANT is coded as?
Answer=GNGRJCPV
15)A child walks 25 feet towards north, turns right and walks 40 feet, turns right again and walks 45 feet, He then turns left and walks 20 feet. He turns left again walks 20 feet.finally he turns to his left to walk another 20 feet.Inwhich direction is the child from his starting point?
Answer=East

Railway exam general awarness,aptitude and current affairs questions

1)Layer of the atmosphere which is closer to the earth?
Answer=Troposphere
(The atmosphere is divided into the following significant spheres:
(1) troposphere, (2) stratosphere, (3) ozonosphere(mesosphere), (4) ionosphere, (5) exosphere
troposphere is the lower most part of the atmosphere in which we live.)
2)What is the use of choke coil fitted to fluorescent tubes?
Answer=It control the current to prevent it from continuing to rise
3)The structure of Lothal indicates to be which of the following?
Answer=Dockyard
(It is located gujarat province across the river bank of Bhogava,it was discovered by SR rao)
4)Where is orgin of world famous "Nile"river?
Answer=Victoria lake
(It is also world lengthiest river and 6853 k.m length)
5)What is the major source of formation of cholera disease?
Answer=vibrio cholerae
(it is transmitted through contaminated food and water and it affects intestine and major symptoms are vomiting,acute diarrhoea,etc...)
6) What is the rank of  India in Intellectual property index?
Answer=37
(This survey is released by united states chamber of commerce(USCC),india has ranked 37 among 38 countries,first position is united states)
7)Which railway  project is recently sanctioned by union government of india?
Answer=Agartala-Akhauara railway project
(it is connect kolkata with tripura via bangaladesh)
8) Sushil Koirala,who died recently, belongs to which country?
Answer=Nepal
9)Recently,which country prince has arrived in india?
Answer= Sheikh Mohammed bin Zayed Al Nahyan
(he is the price of Abu dhabi)
10)Where is located chhatrapati shivaji international airport?
Answer=Mumbai
(it was opened year of 1942)
11)In certain code"648" means"BOOKS ARE GOOD" and "956" means "I LIKE BOOKS" using there codes.how will you code to word "BOOKS"?
Answer=6
(6=Books,4=Are,8=Good
 9=I,5=Like,6=Books)
12)Father's age is five times to that of the son, After 20 years, the father is of 40 years. The what would be the age of the son?
Answer=24
(let,the son's age=x
father's age=5x
after 20 years son's age=x+20
father's age=5x+20
5x+20=40
son's age=4 years
After 20 years sons age=20+4=24)
13)If the cost price of 12 articls is equal to the selling price of 10 articles, then the profit percent is?
Answer=20%
(cost price=10,selling price=12
profit percentage=((12-10)/10)*100=20%)
14)The radius of a circular wheel is 1.75m.The number of revolutions that it will make in covering 11km is?
Answer=1000 revolutions
(Perimeter of the wheel=2IIr=2*(22/7)*1.75=11m
no of revolutions that the wheel will make in travelling 11km=11000/11=1000 revolutions)
15)A mixture contains alcohol and water in the ratio 2:1.If 3 litres of water is added to the mixture, the ratio becomes 2:3 find the quantity of alcohol in the given mixture.
Answer=3 litres
(let the quantity of alcohol and water be 2x and x respectively;then
2x/(x+3)=2/3
x=6/4(or)1.5
Alcohol in the given mixture=2x=2*1.5=3 litres)

Railway exam general awarness,aptitude and current affairs questions

1)The authority to alter the boundaries of states in india rests with?
Answer=Parliment
(The parliment is authorised to alter the boundaries of states in India(Articles 2 and 3)
2)Which one of the following items comes under the Concurrent list of the Indian constitution?
Answer=Trade union
(The seventh schedule(Article 246) of the Constitution of India contains the three lists:Union list,State list and concurrent list Trade union is mentioned in the concurrent list)
3)The smallest functional unit of kidney is?
Answer=Nephron
4)The deficiency of the following vitamins causes delayed clotting of blood?
Answer=vitamin K(Phylloquinone)
(Delayed clotting time,may occur in new-born babies before their gut bacteria become established)
5)Which one is the best nutrient to prevent bleeding of gums,loosening of teeth and poor wound healing?
Answer=Ascorbic acid
6)Who has been appointed new executive chairman of TERI(The energy resources of institute)?
Answer=Rajendra K pachauri
7)Which day is celebrated "National dewoming day"?
Answer=Febraury 10
8)Who has been chosen prestigious Bharat Ratna Pandit Bhimsen Joshi classical music award for 2015-2016?
Answer=Pandit Ram Narayan
9)World cancer day is observed on?
Answer=Febraury 4
10)Who is the governor of Assam state?
Answer=Padmanabha Acharya
(Assam capital is Dispur)
11)raju can do a work in 10 days and babu in 8 days.raju and babu can do the work on alternate days. If raju begins the work, then the work can be finished in how many days?
Answer=9 days
(work done by first two days,
(1/10)+(1/8)=9/40
work done by first 8 days,
(9/40)*4=36/40=9/10
remaining work=1/10
Total time required=9 days)
12)3 men or 4 women can construct a wall in 43 days then in how many days 7 men and 5 women will construct it?
Answer=12 days
(3 men=4 women
 7 men and 5 women
 7*(4/3)+5-women
43/3 women
m1d1=m2d2
4*43=(43/3)*d2
d2=4*3=12 days)
13)Two numbers are respectively 20% and 50% more than the third number.The percentage that is first of the second is?
Answer=80%
(first no=120x/100
second no=150x/100
percentage=((120x/100)/(150x/100))*100=80%)
14)My house is to the south of the 'State Bank' and the 'Central school' is to the east of my house which is as far away from the 'state bank' as from the 'Central school'.I first go to the 'State Bank' and the start walking to the 'central school'.Just when I am half way through I meet my cousin and then we decide to walk back house. In which direction are we walking now?
Answer=south west
15)In the following Question pick the choice that establishes the logical relationship;
AD:BE::CF:?
Answer=DG
(A-----B
 D-----E
 C-----D
 F-----G)

Railway exam general awarness,aptitude and current affairs questions

1)Acid rain destroys vegetation because it contains?
Answer=sulphuric acid
(Acid rain destroys vegetation because it contains Sulphuric acid.Acid rain is caused by emissions of suplphur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.)
2)Kwashiorkar is caused due to deficiency of which nutrient?
Answer=Protein

Railway Exam General awarness Questions

1)who had found JAINISM religion in India?
Answer=Rishabhadeva
(24 Tirthankaras(great teachers),the 23rd being Parshvanath and the 24th being the Vardhamana Mahavira) 2)what is the meaning of Mahavamsha and Dipavamsa?
Answer=They are the other Buddhist texts of srilanka

Railway exam general awarness,aptitude and current affairs questions

1) Who has won 2016 Australian open tennis title?
Answer=Angelique Kerber
(she defeated defending champion Serena williams,and she is from Germany)
2)Who is the author of a book of "Midnight's Furies"?
Answer=Nisid Hajari