Railway Recruitment Boards

JUNIOR ENGINEER

RRB JUNIOR ENGINEER (practice set)

1. The HFC and LCM of 9 and 17 are

A) 0,153 B) 1,153  c) 1,9  D) 1,17

Ans. 0,153

2.The least number which divided by 15 to 20 leaving remainder 9 in each case is

A) 60  B) 65  C) 69  D) 309

Ans. 69

3.  If a:b = and a+b = 63, then a is equal to

A) 28  B) 35  C) 49  D) 54

Ans. 28

4.   If 3, x ,2x ,50 are in proportion then x is equal to

A) 5  B) 75  C) 5√3   D) 10√3

Ans. 5√3

5.   If 20% of a number is 30, then number is

A) 120  B) 130  C) 140  D) 150

Ans. 150


6.  The compound interest on ₹  10000 for 1yr at the rate of 8% per annum

A) ₹  800  B) ₹  816  C) ₹  856  D) ₹  958

Ans. ₹ 816


7. If ₹   500 amounts to ₹ 700 in 8 yr, then rate of simple interest is

A) 5%   B) 6%  C) 8%   D) 10%

Ans. 5%


8.   The CP of an article is ₹  210. If loss is 10%, then SP of article is

A) ₹ 240  B) ₹ 220  C) ₹  231 D) ₹  189

Ans. ₹ 189


9.  A Shopkeeper mixes 20 kg of Wheat which cost him ₹  16/ kg with 10 kg of wheat which cost him ₹ 12/ kg. He sells the mixture at ₹ 18/ kg. His profit is

A)  ₹   100  B)  ₹  110  C) ₹  115  D)  ₹   120

Ans. ₹ 100


10. A train 120 m long moving with the speed of 27km/ h. The time taken in second, to cross a stationary train 100 m long is

A) 5  B) 6  C) 11  D) 15

Ans. 11


11. The medieval ruler who was the Frist to established a Minstry of agriculture (Diwan - i - kohi) was

A) Alauddin khilji B) Muhammad Bin Tughlaq C) Sher saha  D) Akbar

Ans. Muhammad Bin Tughlaq


12.  When did Queen Victoria declared the taking over the Indian Adminstration under British crown?

A) 1st November, 1858

B) 31st December, 1857

C) 6 th January,1958

D) 17th November, 1859

Ans. 1st November,1858

13. Through which one of the following continent, do the equator, the tropic of cancer and the tropic of Capricorn pass through?

A) Africa B) South America  C) North America D) Australia

Ans. Africa

14.  Shivsudaram Falls are located in the course of the river

A) Krishna B) Godavari  C) Kaveri D) Mahanadi

Ans. Kaveri

15.  Which one sate of india is surrounded by Bangladesh from these sides?

A) Mizroram  B) Meghalaya  C) Tripura D) west Bengal

Ans. Tripura

16.  The torque on a rectangular coil placed in uniform magnetic fields is large when the

A)  Number of turns is large

B) Number of turns is less

C) plane of the coil is perpendicular to the magnetic field

D) area of the coil is small

Ans. Number of turns is large

17.  Which of the following is the best conductor of heat ?

A) Mercury B) water  C) Leather  D) Benzene

Ans. Mercury

18.  Due to contraction of eyeball, a long sighted eye can see only

A) father object which is corrected using convex lens

B) frather object which is corrected using concave lens.

C) nearer objects which is corrected using convex lens.

D) nearer objects which is corrected using concave lens

Ans. Nearer objective which is corrected using concavex lens.


19. Who among the following was the chairman of the union constitution committee of the constituent Assembly?

A) BR Ambedkar B) JB Kriplani  C) Jawaharlal Nehru  D) Alladi Krishnaswamy lyer

Ans. Jawaharlal Nehru

20. Deperation is equal to

A) Gross National products - Net  National product

B) Net National product- Gross National Product

C) Gross National Product - Personal Income

D)  personal Income- personal Taxes

Ans. Gross National product- Gross National Product


21. The solgan ' Garibi  unmulan ' (Proverty Eradication) was given in which five year plan?

A) second plan  B) Fourth plan  C) Fifth plan  D) Sixth plan

Ans. Fifth plan


22. The Frist census in India during the British period was held during the tenure of

A) Loard Dufferin  B) Loard Lytton  C) Lord Mayo  D) Loard Ripon

Ans. Loard Mayo 

23.  In Baseball , how many players are three in each side?

A) 5  B) 7  C) 9  D) 11

Ans. 9

24.  Which nation won the Azlan Shan cup Hockey in April ,2015?

A) India B) South Africa  C) Australia D) New Zealand

Ans. New Zealand


25.  Viruses are made up of

A) Protein and lipids

B) Nucleic acid and protein

C) Lipids and Carbohydrates

D) carbohydrate and nucleric acid

Ans. Nucleric acid and protein

RRB JUNIOR ENGINEER (practice set) for more Stay with us.