Official Paper

RRB JE 25 May 2019 (Shift 2) CBT 1 Official Paper (Previous Year Paper)

100 questions · 90 minutes · with answers · free

Attempt as Timed Mock Test

Test (100 questions)

1

Which of the following statements is FALSE?

  1. Focal length of a convex lens is positive.
  2. Focal length of a concave lens is negative.
  3. All measurements to the right of the optic centre are positive.
  4. All measurements to the left of the optic centre are positive.
  1. ((a))

    Statement 2 only 

  2. ((b))

    Statement 3 only 

  3. ((c))

    Statement 4 only 

  4. ((d))

    Statement 1 only

Show Answer
Answer: ((a))

Statement 2 only 

2

A man started from a place. After walking a kilometer, he turns left. Then walking for half a kilometer, he again turns left. He is going eastwards. Towards which direction did he start?

  1. ((a))

    West

  2. ((b))

    South

  3. ((c))

    East

  4. ((d))

    North

Show Answer
Answer: ((a))

West

3

How many triangles are there in the given figure?

  1. ((a))

    19

  2. ((b))

    15

  3. ((c))

    12

  4. ((d))

    10

Show Answer
Answer: ((a))

19

4

'A' sells a suitcase to 'B' at 10% profit. 'B' sells it to 'C' for Rs. 2860, earning 30% profit. What is the cost price for 'A'?

  1. ((a))

    Rs. 2000

  2. ((b))

    Rs. 2200

  3. ((c))

    Rs. 1000

  4. ((d))

    Rs. 1600

Show Answer
Answer: ((a))

Rs. 2000

5

Complete the series.

A, C, A, E, A, G, A, I, A, (…)

  1. ((a))

    K

  2. ((b))

    P

  3. ((c))

    N

  4. ((d))

    Q

Show Answer
Answer: ((a))

K

6

Where are the Elephanta Caves located?

  1. ((a))

    Mumbai

  2. ((b))

    Jaipur

  3. ((c))

    Bengaluru

  4. ((d))

    Konark

Show Answer
Answer: ((a))

Mumbai

7

Sum of numerator and denominator of a fraction is 13. Adding 3 and 9 to the numerator and denominator respectively, the fraction becomes 2/3. What is the product of the numerator and denominator of the original fraction?

  1. ((a))

    42

  2. ((b))

    30

  3. ((c))

    45

  4. ((d))

    24

Show Answer
Answer: ((a))

42

8

If 8 # 2 @ 4 = 12 and 5 # 4 @ 2 = 18, then what will be 4 # 8 @ 3?

  1. ((a))

    29

  2. ((b))

    32

  3. ((c))

    13

  4. ((d))

    26

Show Answer
Answer: ((a))

29

9

When the number 42 is misread as 24, what is the percentage error?

  1. ((a))

    28%

  2. ((b))

    18%

  3. ((c))

    42.86%

  4. ((d))

    55.34%

Show Answer
Answer: ((a))

28%

10

A sum of Rs.  16400 is borrowed to be paid back in 2 years by equal payments allowing 5% compound interest. Find the annual payment.

  1. ((a))

    Rs. 8820

  2. ((b))

    Rs. 7600

  3. ((c))

    Rs. 7590

  4. ((d))

    Rs. 7495

Show Answer
Answer: ((a))

Rs. 8820

11

Complete the series.

458, 435, 415, 398, 384, (…)

  1. ((a))

    358

  2. ((b))

    382

  3. ((c))

    373

  4. ((d))

    327

Show Answer
Answer: ((a))

358

12

Find the missing number in the following series.

1, 6, 15, (…), 45, 66, 91

  1. ((a))

    26

  2. ((b))

    28

  3. ((c))

    25

  4. ((d))

    27

Show Answer
Answer: ((a))

26

13

When is 'National Sports Day' celebrated?

  1. ((a))

    August 29

  2. ((b))

    August 15

  3. ((c))

    July 27

  4. ((d))

    November 12

Show Answer
Answer: ((a))

August 29

14

If time upstream = n × time downstream and speed in still water is 'x' and speed of stream is 'y', then find x : y.

  1. ((a))

    n/2

  2. ((b))

    (n - 1) / (n + 1)

  3. ((c))

    n / (n - 1)

  4. ((d))

    (n + 1) / (n - 1)

Show Answer
Answer: ((a))

n/2

15

Who was the first Indian to be elected as the President of the United Nations?

  1. ((a))

    Sarojini Naidu

  2. ((b))

    Indira Gandhi

  3. ((c))

    Vijayalakshmi Pandit

  4. ((d))

    Annie Besant

Show Answer
Answer: ((a))

Sarojini Naidu

16

Find the value of cos(A + B), if tan A = 3/4 and tan B = 5/12 and A and B are in quadrant I.

  1. ((a))

    1

  2. ((b))

    33/65

  3. ((c))

    16/65

  4. ((d))

    15/48

Show Answer
Answer: ((a))

1

17

Find the greatest number that can be formed out of the digits 9, 0, 8, 7, 9.

  1. ((a))

    90987

  2. ((b))

    98970

  3. ((c))

    99780

  4. ((d))

    99870

Show Answer
Answer: ((a))

90987

18

If tan A + tan B = a and cot A + cot B = b, then 1/a - 1/b is equal to ____.

  1. ((a))

    tan(A + B)

  2. ((b))

    cos(A + B)

  3. ((c))

    sin(A + B)

  4. ((d))

    cot(A + B)

Show Answer
Answer: ((a))

tan(A + B)

19

The pupil is a part of

  1. ((a))

    Gall Bladder

  2. ((b))

    Bone Marrow

  3. ((c))

    Kidney

  4. ((d))

    Eye

Show Answer
Answer: ((a))

Gall Bladder

20

Jaundice is a disease of the ________.

  1. ((a))

    Liver

  2. ((b))

    Eye

  3. ((c))

    Lung

  4. ((d))

    Heart

Show Answer
Answer: ((a))

Liver

21

Which of these medical instruments usually has a metal needle attached to it?

  1. ((a))

    Spatula

  2. ((b))

    Stethoscope

  3. ((c))

    Thermometry

  4. ((d))

    Syringe

Show Answer
Answer: ((a))

Spatula

22

The Union Home Secretary of India recently launched an online portal named _______ for the grant of security clearance.

  1. ((a))

    "e-Sahaj"

  2. ((b))

    "e-Clearance"

  3. ((c))

    "e-Filing"

  4. ((d))

    "e-Security"

Show Answer
Answer: ((a))

"e-Sahaj"

23

Non-metals like sulphur and chlorine are found on the __________ of the periodic table.

  1. ((a))

    Right-hand side

  2. ((b))

    Left hand side

  3. ((c))

    Zig-zag

  4. ((d))

    Middle

Show Answer
Answer: ((a))

Right-hand side

24

Which of the following reactions is an example of endothermic reaction? 

  1. ((a))

    Decomposition of ferrous sulphate 

  2. ((b))

    Dilution of sulphuric acid 

  3. ((c))

    Burning of natural gas 

  4. ((d))

    Dissolution of sodium hydroxide in water

Show Answer
Answer: ((a))

Decomposition of ferrous sulphate 

25

Find the average speed when the first half of a journey is done at a speed of 60 km/h and the second half at a speed of 40 km/h.

  1. ((a))

    45 km/h

  2. ((b))

    52 km/h

  3. ((c))

    48 km/h

  4. ((d))

    50 km/h

Show Answer
Answer: ((a))

45 km/h

26

In a certain code language, 'TELEPHONE' is written as 'ENOHPELET'. How is 'ALIGATOR' written in that code?

  1. ((a))

    ROTAGILA

  2. ((b))

    ROTEGILA

  3. ((c))

    ROTAGILE

  4. ((d))

    ROTAGIAL

Show Answer
Answer: ((a))

ROTAGILA

27

The Simple Interest on a certain sum at the rate of 5% per annum for 3 years is Rs. 1260. Find the compound interest for that sum at the same rate and for the same period.

  1. ((a))

    Rs. 1324.05

  2. ((b))

    Rs. 1428.05

  3. ((c))

    Rs. 1384.05

  4. ((d))

    Rs. 1448.05

Show Answer
Answer: ((a))

Rs. 1324.05

28

The electron distribution in an aluminum atom is-

  1. ((a))

    2, 8, 2

  2. ((b))

    2, 8, 3

  3. ((c))

    2, 3, 8

  4. ((d))

    8, 2, 3

Show Answer
Answer: ((a))

2, 8, 2

29

In a certain code, 'JOVIAL' is written as 'NQZKEN'. How would 'FIGURE' be written in that code?

  1. ((a))

    JKKWVG

  2. ((b))

    JKWKVG

  3. ((c))

    JKKWGV

  4. ((d))

    JKKVWG

Show Answer
Answer: ((a))

JKKWVG

30

The protein in haemoglobin is-

  1. ((a))

    Albumin

  2. ((b))

    Haem

  3. ((c))

    Globin

  4. ((d))

    Globulin

Show Answer
Answer: ((a))

Albumin

31

Solve for x and y : 9x + 3y + 12 = 0 ; 18x + 6y + 24 = 0

  1. ((a))

    x = 1 ; y = 7

  2. ((b))

    x = 2 ; y = - 10

  3. ((c))

    x = 4 ; y = - 16

  4. ((d))

    No unique solution. There are infinitely many solutions

Show Answer
Answer: ((a))

x = 1 ; y = 7

32

Which of the following is India's first indigenous nuclear ballistic missile submarine?

  1. ((a))

    INS Sindhugosh

  2. ((b))

    INS Arihant

  3. ((c))

    INS Kalvari

  4. ((d))

    INS Shalki

Show Answer
Answer: ((a))

INS Sindhugosh

33

If 832.58 - 242.31 = 779.84 - a, find the value of 'a'

  1. ((a))

    199.57

  2. ((b))

    189.57

  3. ((c))

    295.05

  4. ((d))

    179.57

Show Answer
Answer: ((a))

199.57

34

Find the HCF of 2 × 32 × 52, 5 × 3 × 22 and 52 × 3 × 22.

  1. ((a))

    30

  2. ((b))

    90

  3. ((c))

    60

  4. ((d))

    150

Show Answer
Answer: ((a))

30

35

Which of the following is used as an antiseptic to sterilise wounds and syringes in hospitals?

  1. ((a))

    Methanol

  2. ((b))

    Propanol

  3. ((c))

    Ethyl alcohol

  4. ((d))

    Butanol

Show Answer
Answer: ((a))

Methanol

36

Find the ODD one out from the given options.

  1. ((a))

    APQ

  2. ((b))

    DTJ

  3. ((c))

    BJV

  4. ((d))

    LCI

Show Answer
Answer: ((a))

APQ

37

Complete the series.

4, 5, 8, 15, 30, (…)

  1. ((a))

    78

  2. ((b))

    72

  3. ((c))

    61

  4. ((d))

    69

Show Answer
Answer: ((a))

78

38

When atoms bond together chemically, ___________ are formed.

  1. ((a))

    Element

  2. ((b))

    Alloys

  3. ((c))

    Molecules

  4. ((d))

    Both element and alloys

Show Answer
Answer: ((a))

Element

39

With which of the following is the term 'Olfactory' associated?

  1. ((a))

    Feel

  2. ((b))

    See

  3. ((c))

    Smell

  4. ((d))

    Hear

Show Answer
Answer: ((a))

Feel

40

CE-20 is a/an _________ that was developed by ISRO.

  1. ((a))

    Aircraft carrier

  2. ((b))

    High thrust cryogenic engine

  3. ((c))

    Multirole fighter aircraft

  4. ((d))

    Main battle tank

Show Answer
Answer: ((a))

Aircraft carrier

41

Choose from the alternatives the figure that best completes the pattern given below.

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

42

Which medical technique is used to find out stones in the kidney and gallbladder, which is also used for examining the foetus during pregnancy?

  1. ((a))

    Electrocardiography

  2. ((b))

    Echocardiography

  3. ((c))

    Ultrasonography

  4. ((d))

    Magnetic resonance imaging

Show Answer
Answer: ((a))

Electrocardiography

43

Which of the following Articles in the Constitution grants us the Right to Equality?

  1. ((a))

    Article 14-18

  2. ((b))

    Article 23-24

  3. ((c))

    Article 368

  4. ((d))

    Article 32

Show Answer
Answer: ((a))

Article 14-18

44

Choose the alternative that best replaces the question mark(?) in the given figure.

  1. ((a))

    39

  2. ((b))

    41

  3. ((c))

    32

  4. ((d))

    27

Show Answer
Answer: ((a))

39

45

Three friends - P, Q and R are living in the same locality. The house of Q is to the east of P's house, and R's house is to the south of P's house. What is the direction of R's house with respect to Q's house?

  1. ((a))

    North

  2. ((b))

    North west

  3. ((c))

    South west

  4. ((d))

    South

Show Answer
Answer: ((a))

North

46

If the interest on Rs. 800 in 3 years at 4% Simple Interest equals twice the interest on Rs. 300 at 8% in 'n' years, find 'n'.

  1. ((a))

    2

  2. ((b))

    4

  3. ((c))

    1.5

  4. ((d))

    3

Show Answer
Answer: ((a))

2

47

Read the following information carefully and answer the question given below.

Eight colleagues - A, B, C, D, E, F, G and H are sitting around a circular table facing the center but not necessarily in the same order. Each one of them holds a different post - Manager, Secretary, Chairman, Vice President, President, Group Leader, Financial Advisor and Managing Director. A sits third to the right of the Managing Director, and only two people sit between the Managing Director and H. The Vice President and the Secretary are immediate neighbours. Neither A nor H is a Vice President or a Secretary. The Vice President is not an immediate neighbour of the Managing Director. The Manager sits second to the left of E. E is not an immediate neighbour of H. The Manager is an immediate neighbour of both the Group Leader and the Financial Advisor. The Financial Advisor sits third to the right of B. B is not the Vice President. C sits to the immediate right of the Chairman. A is not the Chairman. F is not an immediate neighbour of A. G is not an immediate neighbour of the Manager.

Who among the following sits third to the left of E?

  1. ((a))

    President

  2. ((b))

    Financial Advisor

  3. ((c))

    Secretary

  4. ((d))

    Vice President

Show Answer
Answer: ((a))

President

48

Find the total surface area of a hemispherical bowl of thickness 'd' and internal radius 'r'.

  1. ((a))

    4πr2 + 6πrd + 3d2

  2. ((b))

    π(4r2 + 6rd + 3d2)

  3. ((c))

    4πr2 + 4πrd + 3d2

  4. ((d))

    π(4r2 + 3rd + d2)

Show Answer
Answer: ((a))

4πr2 + 6πrd + 3d2

49

In which phase of the moon, is the moon invisible?

  1. ((a))

    Gibbous moon

  2. ((b))

    Full moon

  3. ((c))

    New moon

  4. ((d))

    Crescent moon

Show Answer
Answer: ((a))

Gibbous moon

50

The formula of current I = _______ /time (t).

  1. ((a))

    Charge (Q)

  2. ((b))

    Resistance (R)

  3. ((c))

    Volt (V)

  4. ((d))

    Power (P)

Show Answer
Answer: ((a))

Charge (Q)

51

Edges of a cuboid are in the ratio 1 : 2 : 3. Its surface area is 88 cm2. What is its volume?

  1. ((a))

    120 cm3

  2. ((b))

    48 cm3

  3. ((c))

    24 cm3

  4. ((d))

    64 cm3

Show Answer
Answer: ((a))

120 cm3

52

Find the equivalent fraction pairs from the following fractions.

2/5, 8/11, 42/63, 57/33, 48/120, 2/3

  1. ((a))

    (2/5, 48/120) and (42/63, 2/3)

  2. ((b))

    (2/5, 8/11)

  3. ((c))

    (2/5, 48/120)

  4. ((d))

    (42/63, 2/3)

Show Answer
Answer: ((a))

(2/5, 48/120) and (42/63, 2/3)

53

A train running at a speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

  1. ((a))

    324 m

  2. ((b))

    180 m

  3. ((c))

    150 m

  4. ((d))

    120 m

Show Answer
Answer: ((a))

324 m

54

Who was the first Indian to receive the Nobel Prize?

  1. ((a))

    Mother Teresa

  2. ((b))

    Har Gobind Khorana

  3. ((c))

    Rabindranath Tagore

  4. ((d))

    Amartya Sen

Show Answer
Answer: ((a))

Mother Teresa

55

With which of the following sports is Koneru Humpy associated?

  1. ((a))

    Hockey

  2. ((b))

    Chess

  3. ((c))

    Badminton

  4. ((d))

    Golf

Show Answer
Answer: ((a))

Hockey

56

If doubling a number and adding 20 to the result gives the same answer as multiplying the number by 8 and taking away 4 from the product, find the number.

  1. ((a))

    2

  2. ((b))

    3

  3. ((c))

    6

  4. ((d))

    4

Show Answer
Answer: ((a))

2

57

What is the SI unit of pressure?

  1. ((a))

    Newton per metre N/m

  2. ((b))

    Pascal Pa

  3. ((c))

    Newton N

  4. ((d))

    Newton metre N-m

Show Answer
Answer: ((a))

Newton per metre N/m

58

The most abundant metal in the earth crust is

  1. ((a))

    Sodium

  2. ((b))

    Aluminium

  3. ((c))

    Calcium

  4. ((d))

    Iron

Show Answer
Answer: ((a))

Sodium

59

Which of the following is NOT a root?

  1. ((a))

    Beetroot

  2. ((b))

    Radish

  3. ((c))

    Turnip

  4. ((d))

    Cabbage

Show Answer
Answer: ((a))

Beetroot

60

Simplify: 1.2 × 2.5 × 0.5

  1. ((a))

    150

  2. ((b))

    15

  3. ((c))

    1.5

  4. ((d))

    0.15

Show Answer
Answer: ((a))

150

61

Which of the following is NOT a contagious disease?

  1. ((a))

    Measles

  2. ((b))

    Influenza

  3. ((c))

    Typhoid

  4. ((d))

    Arthritis

Show Answer
Answer: ((a))

Measles

62

Which city is called 'The Pink City of India'?

  1. ((a))

    Jodhpur

  2. ((b))

    Jaipur

  3. ((c))

    Kalka

  4. ((d))

    Pathankot

Show Answer
Answer: ((a))

Jodhpur

63

Which of these statements is NOT true? 

  1. ((a))

    Proteins are inactive at low temperatures 

  2. ((b))

    Proteins denature at high temperature 

  3. ((c))

    Proteins are not affected by temperature 

  4. ((d))

    Proteins denature by change in pH

Show Answer
Answer: ((a))

Proteins are inactive at low temperatures 

64

Complete the series.

5, 6, 14, 45, 184, (…)

  1. ((a))

    902

  2. ((b))

    925

  3. ((c))

    876

  4. ((d))

    917

Show Answer
Answer: ((a))

902

65

Find the missing group of alphabets in the following series.

WC, CW, (…), MM, RH

  1. ((a))

    MM

  2. ((b))

    HR

  3. ((c))

    WC

  4. ((d))

    CW

Show Answer
Answer: ((a))

MM

66

A jar of milk contains 40% water. A part of it is replaced by another milk containing 19% water. Now the percentage of water is 26%. What quantity of milk was replaced?

  1. ((a))

    1/3

  2. ((b))

    2/3

  3. ((c))

    2/5

  4. ((d))

    1/5

Show Answer
Answer: ((a))

1/3

67

A and B invest some amount in the ratio 3 : 5 in a business. After 6 months, C joins them with an investment equal to that of B. In what ratio should the yearly profit be shared among A, B and C?

  1. ((a))

    3 : 5 : 6

  2. ((b))

    3 : 5 : 4

  3. ((c))

    6 : 7 : 5

  4. ((d))

    6 : 10 : 5

Show Answer
Answer: ((a))

3 : 5 : 6

68

When was the Central Pollution Control Board constituted?

  1. ((a))

    1974

  2. ((b))

    1981

  3. ((c))

    1986

  4. ((d))

    1970

Show Answer
Answer: ((a))

1974

69

In which part of the body is thyroid gland situated?

  1. ((a))

    Head

  2. ((b))

    Abdomen

  3. ((c))

    Throat

  4. ((d))

    Chest

Show Answer
Answer: ((a))

Head

70

If 2x−1−x−4=2,\sqrt {2x - 1} - \sqrt {x - 4} = 2, then find the values of ‘x’.

  1. ((a))

    13, 5

  2. ((b))

    6, -9

  3. ((c))

    -13, -5

  4. ((d))

    -13, 5

Show Answer
Answer: ((a))

13, 5

71

Who among the following will be ICC's Chief Executive Officer after the 2019 World Cup?

  1. ((a))

    Tom Harrison

  2. ((b))

    Thabang Moroe

  3. ((c))

    Manu Sawhney

  4. ((d))

    Kevin Roberts

Show Answer
Answer: ((a))

Tom Harrison

72

From where is the solar energy obtained?

  1. ((a))

    Sea

  2. ((b))

    Sun

  3. ((c))

    Stars

  4. ((d))

    Moon

Show Answer
Answer: ((a))

Sea

73

Which number is a factor of all numbers? 

  1. ((a))

    -1

  2. ((b))

    0

  3. ((c))

    2

  4. ((d))

    1

Show Answer
Answer: ((a))

-1

74

Which of the following hockey players was awarded with Rajiv Gandhi Khel Ratna Award?

  1. ((a))

    Leslie Claudius

  2. ((b))

    All of the options

  3. ((c))

    Dhanraj Pillay

  4. ((d))

    Udham Singh

Show Answer
Answer: ((a))

Leslie Claudius

75

The light rays that are used for eliminating bacteria in test tubes used in pathology labs are

  1. ((a))

    Microwave radiations

  2. ((b))

    Infrared rays

  3. ((c))

    Ultra Violet radiations

  4. ((d))

    X-Rays

Show Answer
Answer: ((a))

Microwave radiations

76

Blue litmus when added to an acidic solution changes to-

  1. ((a))

    Red

  2. ((b))

    White

  3. ((c))

    Violet

  4. ((d))

    Green

Show Answer
Answer: ((a))

Red

77

Compare rolling friction and sliding friction.

  1. ((a))

    Rolling friction is greater than sliding friction

  2. ((b))

    Rolling friction is either greater or equal to sliding friction

  3. ((c))

    Rolling friction is smaller than the sliding friction

  4. ((d))

    Rolling friction is always equal to sliding friction

Show Answer
Answer: ((a))

Rolling friction is greater than sliding friction

78

Total age of x and y is 15 years more than the sum of the ages of y and z. What is the value of (x - z)?

  1. ((a))

    12

  2. ((b))

    15

  3. ((c))

    10

  4. ((d))

    9

Show Answer
Answer: ((a))

12

79

Who was the first Indian woman to feature on an Indian stamp after 15 August 1947? 

  1. ((a))

    Meera Bai 

  2. ((b))

    Kasturba Gandhi 

  3. ((c))

    Sarojini Naidu 

  4. ((d))

    Rani Laxmibai

Show Answer
Answer: ((a))

Meera Bai 

80

In the following question, correct the equation by interchanging the two signs.

4 × 3 - 6 ÷ 2 + 7 = 8

  1. ((a))
    • and ×
  2. ((b))
    • and -
  3. ((c))
    • and ÷
  4. ((d))

    × and ÷

Show Answer
Answer: ((a))
  • and ×
81

Which number will best complete the relationship given below?

15 : 65 ∷ 24 : ?

  1. ((a))

    130

  2. ((b))

    134

  3. ((c))

    103

  4. ((d))

    104

Show Answer
Answer: ((a))

130

82

Find the value of tan 10° tan 15° tan 80° tan 75°.

  1. ((a))

    2/3

  2. ((b))

    1/2

  3. ((c))

    1

  4. ((d))

    1/3

Show Answer
Answer: ((a))

2/3

83

Read the following information carefully and answer the question given below.

Five friends A, B, C, D and E are sitting on a bench facing north. A is sitting next to B. D is sitting next to C. D is not sitting with E. E is on the left end of the bench. C is on the second position from the right. A sits to the right of B. A and C are sitting together.

Who is sitting in the middle of the bench?

  1. ((a))

    D

  2. ((b))

    B

  3. ((c))

    C

  4. ((d))

    A

Show Answer
Answer: ((a))

D

84

Which type of lens is a natural lens present in the human eye?

  1. ((a))

    Concave

  2. ((b))

    Bifocal

  3. ((c))

    Convex

  4. ((d))

    Progressive

Show Answer
Answer: ((a))

Concave

85

The drying of milk of lime (white washing) is due to the action of-

  1. ((a))

    Nitrogen in air

  2. ((b))

    Oxygen in air

  3. ((c))

    Hydrogen in air

  4. ((d))

    CO2 in air

Show Answer
Answer: ((a))

Nitrogen in air

86

Which of the following attractive forces exists between different layers of graphite? 

  1. ((a))

    Vander Waals forces 

  2. ((b))

    Columbic forces 

  3. ((c))

    Gravitational forces 

  4. ((d))

    Electromagnetic forces

Show Answer
Answer: ((a))

Vander Waals forces 

87

An alarm was set at 11 am on Monday on a clock that was set correctly at 1 pm on Sunday, but the clock started gaining 20 minutes every 24 hours. What was the actual time when the alarm went off?

  1. ((a))

    11:30:00 AM

  2. ((b))

    10:51:20 AM

  3. ((c))

    10:30:00 AM

  4. ((d))

    10:41:40 AM

Show Answer
Answer: ((a))

11:30:00 AM

88

Which of the following states of India is the largest producer of lignite coal?

  1. ((a))

    Gujarat

  2. ((b))

    Tamil Nadu

  3. ((c))

    Maharashtra

  4. ((d))

    Madhya Pradesh

Show Answer
Answer: ((a))

Gujarat

89

Which of the following transactions is the best when considering the corresponding profit percentage?

  1. ((a))

    Cost price Rs. 40, profit Rs. 15

  2. ((b))

    Cost price Rs. 60, profit Rs. 24

  3. ((c))

    Cost price Rs. 36, profit Rs. 18

  4. ((d))

    Cost price Rs. 50, profit Rs. 24

Show Answer
Answer: ((a))

Cost price Rs. 40, profit Rs. 15

90

On what factor does the colour of scattered light depend upon?

  1. ((a))

    The size of the scattering particles

  2. ((b))

    The amount of impurity

  3. ((c))

    The colour of the scattering particles

  4. ((d))

    The refractive index of the particles

Show Answer
Answer: ((a))

The size of the scattering particles

91

If 14 * 64 = 39, 25 * 37 = 31 and 9 * 17 = 13, then what will be 52 * 46?

  1. ((a))

    42

  2. ((b))

    51

  3. ((c))

    49

  4. ((d))

    38

Show Answer
Answer: ((a))

42

92

Sixteen women working 7 hours a day will complete a job in 48 days. How many women are needed to complete the same job in 32 days working 12 hours a day?

  1. ((a))

    17

  2. ((b))

    14

  3. ((c))

    10

  4. ((d))

    12

Show Answer
Answer: ((a))

17

93

Three of the following four of alphabets and numerals have the same relationship between their elements as in the case of the pair ROUT : 5487 and hence form a group. Which of the following does not belong to the group?

  1. ((a))

    ROT : 587

  2. ((b))

    OUT : 487

  3. ((c))

    OUR : 485

  4. ((d))

    TOR : 745

Show Answer
Answer: ((a))

ROT : 587

94

According to law of refraction what is said about the incident ray, refracted ray and the normal to the interface of two transparent media at the point of incidence?

  1. ((a))

    All have the same length

  2. ((b))

    All lie in the same plane

  3. ((c))

    All are refracted

  4. ((d))

    All have the same angle

Show Answer
Answer: ((a))

All have the same length

95

Which number will best complete the relationship given below?

343 : 7 ∷ 729 : ?

  1. ((a))

    11

  2. ((b))

    9

  3. ((c))

    7

  4. ((d))

    12

Show Answer
Answer: ((a))

11

96

Find the ODD one out from the given options.

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

97

Which of the following is a chemical change?

  1. ((a))

    Crushing a can

  2. ((b))

    Rusting of iron

  3. ((c))

    Evaporation of alcohol

  4. ((d))

    Melting of ice

Show Answer
Answer: ((a))

Crushing a can

98

The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 867 m2, then what is the length of the rectangular plot?

  1. ((a))

    51 m

  2. ((b))

    17 m

  3. ((c))

    34 m

  4. ((d))

    68 m

Show Answer
Answer: ((a))

51 m

99

'A' is to the south east of 'C', 'B' is to the east of 'C' and north east of 'A'. If 'D' is to the north of 'A' and north west of 'B', then what is the direction of 'C' with respect to 'D'?

  1. ((a))

    South east

  2. ((b))

    South west

  3. ((c))

    North east

  4. ((d))

    North west

Show Answer
Answer: ((a))

South east

100

In the given figure, the circle represents writers, triangle represents engineers, and square represents dancers. Which region represents writers and dancers but not an engineer?

  1. ((a))

    G

  2. ((b))

    D

  3. ((c))

    C

  4. ((d))

    E

Show Answer
Answer: ((a))

G

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