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# RRB

RRB  Exam Paper

1. A mixture of oil and water contains 35% oil by weight. 265 grams of water is added to 100 grams of such a mixture. What percentage of oil by weight is there in the new mixture?

a. 15%

b. 25%

c. 28%

d. 30%

e. None of these

Ans: c.

2. Rosa can eat 32 rossogollas in one hour. Her sister Lila needs three hours to eat the same number. How much will they take to eat 32 rossogollas together?

a. 2 hours

b. 90 minutes

c. 75 minutes

d. 45 minutes

e. None of these

3. Which of the following numbers fits into the blank space marked with question mark ?

a. 6

b. 2

c. 3

d. 4

e. 18

Ans : c

4. The point of concurrence of the three medians of a triangle is called the . of the triangle.

a. Locus

b. Median

c. Orthocentre

d. Chord

e. Centroid

5. The country with the largest land mass is

a. United States

b. China

d. Australia

e. Russia

Ans: d

6. If all Betas are Gammas, all Gammas are Alphas, and all Thetas are Gammas, then

a. All Thetas are Betas

b. Some Thetas are Betas

c. All Gammas are Thetas

d. All of the above are true

e. None of the above are true

Ans: e

7. In the sequence of letters given below, which letters out of the given options fill the blanks to maintain the sequence?

A B B D C F D H  E ---, ---

a. F,I

b. J,F

c. J,K

d. F,G

e. E,F

Ans: b

8. HIV infection is necessary for having AIDS means

a. If you have AIDS, you have HIV

b. If you have HIV you have AIDS

c. If you dont have AIDS, then you dont have HIV

d. Either you have HIV or you have AIDS

e. None of these

Ans: a.

9. Which of the following  is least like the other four?

a. Horse

b. Kangaroo

c. Cow

d. Deer

e. Donkey

Ans: b

10.A cube of white material is painted black on all its surfaces. If it is cut into 125 smaller cubes of the same size, then how many cubes will have two sides painted black?

a.8

b.22

c.44

d.16

e. None of these

Ans: e

11. In one meal, Raja always eats one vegetarian dish out of Potato, Beans and Peas, one dish of cereal out of rice and Chapatti and one non-vegetarian dish out of Chicken, Mutton and Fish. How many combinations can he have of vegetarian , cereal and non-vegetarian dishes?

a.9

b.12

c.14

d.15

e.18

Ans: e

12. If y = (x+3)2, then (-2x-6) 2 is equal to

a.-4y2

b.-2y2

c.-4y

d.2y

e.4y

Ans: e

13. There are four vacant seats in a cinema hall. How many combinations of four people can sit on those seats?

a.12

b.14

c.18

d.24

e. None of these

Ans: d

14. Pie (Õ) is a

a. Rational number

b. Irrational number

c. Prime number

d. Surd

e. None of these

Ans: b

15. Supply the missing figure

5/10 * 8/7* 100/50 * 35/40 * ?/16 = 1/8

a. 2

b. 4

c. 8

d. 16

e. None of these

Ans: a

16. Anna is 5 times as old as Rita. In 2 years, Anna will be 3 times as old and in 6 years twice as old. How old will Anna be in 7 years?

a. 17 years

b. 15 years

c. 21 years

d. 32 years

e. 8  years

Ans: a

17. If 10 people can paint 60 houses in 120 days, then 5 people can paint 30 houses in

15 days

30 days

60 days

120 days

None of these

Ans: d

19.Seth and Guru each have a collection of balls. Seth tells Guru that if he would give him four of his balls, then they would have equal numbers. But if Guru takes 4 (four) balls from him, then Guru would have twice as many. How many balls does Seth have?

20

28

32

40

18

Ans:a

20. Four of the transport forms given below share something in common. Which is the odd man out.

a. Cycle

b. Aeroplane

c. Helicopter

d. Scooter

e. Car

Ans: a

21. if log x + log y = log(x+y),then

a. x=y

b. xy =1

c. y = x-1/x

d. y= x/x-1

e. y = x/x+1

Ans: d

22. If the radius of a sphere is doubled, then its surface area is increased by

a. 50%

b. 75%

c. 100%

d. 200%

e. None of these

Ans: e

23. A trader marks his goods 20% above the cost price and allows a discount of 15%. His percentage gain is

a.1%

b.2%

c.5%

d.10%

e.15%

Ans: b

24. The number of images that can be observed between two parallel mirrors is

a. 2

b. 4

c. 1

d. 6

e. infinite

Ans: e

25. How many faces are there in an octagonal prism?

a. 10

b. 7

c. 9

d. 8

e. None of these

Ans: a

26. A baseball team has nine players. After winning a game, each player shook hands with each other just once. How many times didi the players shake hands?

a.36

b.81

c.72

d.45

e.None of these

Ans: a

27. Which of the following is NOT a mammal?

a.Dolphin

b. Tiger

c. Human

d. Crocodile

e. Rat

Ans:d

28. 84  81 88 14 12 18 9 ? 11

Which of the given options fits correctly in the blank space to exhibit the similar pattern of numbers in each of the three sets above?

a.8

b.18

c.16

d.24

e.12

Ans: c

29. A car company sold 150 cars in a special 6 day sale. Each day, the company sold 6 more than the previous day. How many cars were sold on the 6th day?

a.60

b.40

c.50

d.35

e.70

Ans: b

30. (Sin 700+ cos 400)/ (cos 700 + sin 400) = ?

a.1/root3

b.root3

c.1/2

d.1

e. None of these

Ans: b

31. If x = ya , y = zb and z = xc, then the value of abc is

a.7

b.2

c.1

d.0

e.None of these

Ans:c

32.If a/2b = 3/2, then 2a+b/(a-2b) is equal to

a.1/7

b.7

c.14

d.21

e.None of these

Ans:b

33. The value of root 0.121 is

a.0.11

b.1.1

c.0.011

d.1.01

e. None of these

Ans:e

34. Given the sequence of numbers in the first row, which number fits correctly in the bracket in the second line?

41 (28) 27

83 (   ) 65

a.27

b.43

c.36

d.32

e.58

Ans:c

35.The vital constituent of blood that helps in clotting is

a.Platelets

b.Plasma

c. Haemoglobin

d. Serum

e. Rh factor

36. Which device mixes air and petrol (gas) for the internal combustion engine?

a. Carburettor

b. Choke

c. Crankshaft

d. Cylinder

e. Gear

Ans:d

37.  Hormones are controlled by which of the following human body systems?

a. Endocrine system

b. Circulatory system

c. Immune system

d. Reproductive system

e. Digestive system

Ans:a

38. Which of the following is NOT a terrestrial planet (having a hard surface)?

a.Mercury

b.Venus

c.Mars

d.Earth

e.Jupiter

Ans: e

39. Watt-hour is the unit of

a.Energy

b.Power

c.Current

d.Potential

e. None of these

Ans: a

40. If the linear momentum of a particle is doubled, then its kinetic energy will be

a.Doubled

c.Halved

d.Same

e. None of these

Ans:b

41. The device used for converting AC from higher voltage to lower voltage or vice versa is called

a. Transmitter

b. Commutator

c. Alternator

d. Transformer

e. Generator

Ans: d

42. The least distance of distinct vision for a normal eye is

a. 10 cm

b. 15 cm

c. 45 cm

d. 25 cm

e.  50 cm

Ans:d

43. The colour of light which travels through glass with the minimum speed is

a. Red

b.Violet

c. Green

d.Yellow

e. None of these

Ans: d

44. If two electrically-charged bodies are connected by a wire, then the electric current will not flow if

a. Both have the same capacity

b. Both have the same temperature

c. Both have the same amount of charge

d. Both  have the same potential

e. None of these

Ans: d

45. Which civilian award is shaped like a peepul leaf?

b.Arjuna

c. Dronacharya

d. Rajiv Khel Ratna

e. Bharat Ratna

Ans:e

46. The special filters used to reduce pollutants from the exhaust of a car are called

a. Water Jacket

b. Exhaust manifold

c. Baffle plate

d. Catalytic convertor

e. Washer jet

Ans:d

47. Which of the following is an example of class-I lever?

a. Pliers

b. Nut cracker

c. Tongs

d. All of these

e. None of these

Ans:a

48. Hubble is

a. An electric car

b. The nearesr star

c. A space telescope

d. A nuclear-powered aeroplane

e. A floppy disk

Ans:c

49. One complete set of positive and negative values of an alternative quantity is known as a

a. Phase

b. Time period

c. Time period

d. Cycle

e. None of these

50. The velocity ratio of a screw jack is

a.2 Õ l/p

b.2 Õp/l

c.2 Õ pl

d. 2 Õ/ pl

e. None of these

Ans:a

51. If the load and effort are W and P respectively, then the mechanical advantage (M.A.) is

a. P/W

b. P x W

c. W/P

d. P2/W

e. None of these

Ans:c

52. 60is equal to

e. None of these

Ans:a

53. Solder is an alloy of

a.Brass and copper

b. Aluminium and brass

c. Aluminium and zinc

e. None of these

Ans:d

54. When the length of a pendulum in a clock is increased, then

a. The period increases and the clock loses time

b. The period increases and the clock gains time

c. The period decreases and the clock loses time

d. The period decreases and the clock gains time

e. The period remains constant and the clock maintains correct time

Ans:a

55. Which of the following statements is/are correct?

I.                   Solids generally expand on melting.

II.                Ice contracts on melting

III.             Density of ice is less than that of water.

Codes:

a.I

b.II

c.III

d.I & II

e. I, II & III

Ans: e

56. Which of the following statements is/ are correct ?

I.                   A concave mirror never forms an erect, real image.

II.                A convex mirror never forms an erect, real image.

III.             A concave mirror never forms a virtual image.

Codes:

a. I

b. II

c.III

d. I & II

e. I, II & III

Ans: d

57.Biogas mainly contains

a. Methene

b. Ethene

c. Hydrogen

d. CO

e. Hydrogen sulphide

Ans: a

58. Two resistance of 3W and 6 W respectively are connected to a battery of 18 V in series. The current passing through the circuit is

a. 2A

b. 3A

c. 6A

d. 9A

e. 1A

Ans: a

59. Echoes are due to

a. Refraction of sound waves

b. Polarisation of sound waves

c. Diffraction of sound waves

d. Reflection of sound waves

e. None of these

Ans:d

60. The force that causes a spring to eventually return to its normal length is called

a. Potential force

b. Gravitational force

c. Spring force

d. Restoring force

e. Kinetic force

Ans:d

61. An air-conditioning system regulates

a. Temperature

b . Humidity

c. Air velocity

d. All of these

e. None of these

Ans:c

62. When a neutral metal sphere is charged by contact with a positively-charged glass rod, then

a.The sphere loses electrons

b.The sphere gains electrons

c. The sphere loses protons

d. The sphere gains protons

e. There is no change

Ans:a

63. The amount of work done against friction to slide a box in a straight line across a uniform, horizontal floor depends most on the

a. Time taken to move the box

b. Distance box movement

c. Speed of the box

d. Direction of the boxs motion

e. None of these

Ans: b

64. If the sum of all the forces acting on a moving object is zero, then the object will

a. Slow down and stop

b. Change direction of its motion

c. Accelerate uniformly

d. Continue moving with constant velocity

e. Decelerate uniformly

Ans: d

65. Choose the correct option to fill in the blank in the following sentence:

Since the culprit was caught, the search was called.

a. out

b. Away

c.Off

d. In

e. Over

Ans: c

66. The phrase To sit on the fence means

a. To be lazy

b.  To look down upon others

c. To love nature

d. To meditate

e. To remain neutral

Ans:e

67. Complete the following proverb choosing the correct option:

Better late than

a.Ever

b.Too early

c. On time

d. Never

e. Worse

Ans: c

68. Choose the correct spellings:

a. Mischievious

b. Mischeivious

c. Mischievous

d. Mischeivous

e. Misschievious

Ans: c

69. The Guide is a novel written by

a. R.K. Narayan

b. Mulk Raj Anand

c. Rabindranath Tagore

d. V.S. Naipaul

e. Amrita Pritam

Ans: a

70. Choose the correct option to fill in the blank in the following sentence :

He insisted .. on seeing the documents

a.of

b. to

c. for

d.on

e.at

Ans: d

71. The following phrase can be summed up in a single word. Choose from the options given below :

Unable to pay ones debts

a. Extravagant

b.Miserly

c. Mercenary

d. Affluent

e. Insolvent

Ans: e

72. The state Emblem of India contains sculptures of four animals. Three of them are Elephant, Galloping Horse and lion. Which of the following is the fourth one?

a. Bear

b. Deer

c. Bull

d. Cheetah

e. Tiger

Ans: c

73. If a web-site address in the Intenet reads as bluestar@mars.org, then mars.org stands for

a. Member name

b. Server

c. Domain name

d. Range name

e. Search engine name

Ans: c

74.World wide Web contains which kind of information?

a. Text only

b. Picture only

c. Audio and text only

d. Text and pictures only

e. Text, pictures and audio

Ans:e

75. Denmark, Iceland, Norway, Sweden and Finland are together called

a. Nether lands

b.Scandinavia

c. Balkan

d. Australasia

e. Slovakia

Ans:b

a.Sitar

b. Sarod

c. Violin

d. Tabla

e. Veena

Ans:b

77. The first Indian to swim across the English Channel was

1. Arati Saha
2. Koneru Humpy
3. Mihir Sen
4. Anita Sood
5. Nafisa Ali

Ans: a

78. The first woman Chief Minister of an Indian State was

a. Sucheta Kriplani

b. Vijay Lakshmi Pandit

c. Nandini Satpathy

d. Sarojini Naidu

e. Raj  Kumari Amrit Kaur

Ans: a

79. Like the Guinness Book of World Records, we have the

a. Manorama Record Book

b. The Himalaya Book

c. The Tata Book of Records

d. The Limca Book of records

e. The Book of Epic Records

Ans: d

80. Glaucoma and Trachoma are the diseases of

a. Neck

b. Ears

c. Brain

d. Eyes

e. Liver

Ans: d

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