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