RRB JUNIOR ENGINEER

RRB JUNIOR ENGINEER

Railway Recruitment Boards

RRB JUNIOR ENGINEER QUESTATION

partice set

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1. The football player has to leave the field if the referee shows him?

A) green card once   B) Yellow card once  C) green card once  D) yellow card twice or Red card once

Ans. yellow card twice or Red card once

 

2. The Frist Indian to win an Olympic gold medal in an individual capacity?

A) Abhindv Bindra B) Milkha Singh  C) PT Usha  D) Vijender Kumar

Ans. Abhinav Bindra

3. When you touch a hot plate and immediately withdraw your hand, the action in triggered by your?

A) Brain  B) spinal cord C) Upper arm muscles   D) Bones of the hand

Ans. Spinal cord 

4. In a green houses, paraffin is ignited to enhance photosynthesis in the plants as it provides?

A) Water  B) Carbon dioxide  C) Oxygen  D) More light

Ans. Water 

5. Which of the following is not an insect?

A) spider   B) Butterfly   C)Beetle D)Termite

Ans.spider 

6. You can make soap at home from vegetable oil and?

A) caustic potash  B) ammonium hydroxide  C) caustic soda  D) sodium chloride

Ans. Caustic soda

7. We are able to walk on the ground because of ?

A) Friction  B) Gravitation  C) Rotation  D) combination of gravity, Rotation

Ans. Friction  

8. The latest country to give up its national currency and adopt ‘ Euro’ as its currency is?

A) Latvia B) Lebanon C) Brazil D)ltaly

Ans. Latvia 

9. BCMI project connects Bangladesh,China and India with?

A) Manila B) Myanmar  C) Malaysia  D) Maroco

Ans. Mayanmar 

10. One long river of our country which flows through the Noth-East is?

A) Ganges B) Brahmaputra  C) Narmada  D) Kaveri

Ans. Brahmaputra

 

11. The making of ‘ maps’ is called?

A) calligraphy  B) Numismatics  C) cartography  D) philately

Ans. Cartography

12. Three piacasso’ s between ‘ Guernica’ was based on consequences of ?

A) Bal Gangadhar Tilak B) Bipin Chandra pal  C) Lala Lajpat Rai  D) Lal Bahadur Shastri

Ans. Lal Bahadur Shastri

13. Who was the last Governor- General in the two century rule of the British in India?

A) Loard clive  B) sir warren Hastings  C) Loard Mountbatten  D) Loard cornwails

Ans. Loard Mountbatten

14. If (x- 1) is factor of ?

3×3- 2ax2 -3x +6, then a is equal to

A) 3   B) -3   C) +6  D) -6

Ans. 3

15. One of the factors of ?

( 81×2-1) +1 ( 1+9x)2 is

A) 18x  B) 9+x   C) 9-x  D) 9x-1

Ans. 18x

16. The sum ans product of the roots of the equation x2-8x+4x = 0 are ?

A) -8,4  B) 8,-4  C)8,4  D)-8,-4

Ans. 8,4

17. The average of Frist six even whole numbers is ?

A) 5  B)6  C)7  D)8

Ans. 5

18. If a:b =5 and 6 and b:c =3:4,then c:a is?

A) 4:5  B)5:4  C) 8:5  D) 5:8

Ans. 8:5 

19. If 8,12,14,x are in proportion, then x is equal to ?

A) 18  B) 20  C)21  D)28

Ans. 21

20.  Successive discounts of 40% and 20% are equivalent to a single discount of ?

A) 60%   B) 55%  C)54%  D)52%

Ans. 52%

21. The HCF of two numbers is 15 and their LCM is 270. If one number is 45, the other number is

A) 18   B)90  C)81  D)675

Ans.90

22. The largest number which divides 247 and 319, leaving reminder 7 and 4 respectively is

A) 15  B)30  C)45  D)56

Ans. 15

23. The Frist capital of British colonial India was?

A) Delhi B) Mumbai C) Kolkata D) Madras

Ans. Kolkata

24. Who one of the following is not a ‘ social incest’?

A) Ant  B)Beetle  C) Termite D) wasp

Ans. Beetle

25. Who coined the phrase ‘ survival’ of the fittest’ to mean Natural selection?

A) Charles Darwin B) Bertrand Russell  C) JBS Haldane  D) Herbert Spencer

Ans. Herbert Spencer