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Latest Railway Group D Exam Question (Objective Questions), MCQ in English

Subjects : General Science, Mathematics, General Intelligence & Reasoning, General Awareness and Current Affairs

Question Bank Railway Group D CBT 1 Exam - English
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General Science

Question 1Single Answer
 A cart wheel rolls along a straight line. If the distance covered is equal to the diameter of the wheel,  what is the angle through which the wheel has turned?
  1. A
    90°
  2. B
    between  90°  and  120°
  3. C
    between  120° and  150°
  4. D
    between  150°  and  180° 
Question 2Single Answer
In a class of  10 students,  3 failed in History, 6 failed in Geography and failed in both. How many passed in the subjects?
  1. A
    1             
  2. B
    2
  3. C
    3            
  4. D
    0 
Question 3Single Answer
 Every month the price of a particular commodity falls in this order : 1024, 640, 250, ...........  What is the next value?
  1. A
    156.25
  2. B
    Approximately 39
  3. C
    64
  4. D
    40 
Question 4Single Answer
A  cubicle piece of wood was filed to make it into the largest possible sphere. What fraction of the original volume was removed?
  1. A
    More than  3/4
  2. B
    1/2
  3. C
    Slightly less  than  1/2
  4. D
    Slightly more than  1/2 
Question 5Single Answer
Three volumes of a Hindi book, identical in shape and size, are next to each other in a shelf, all upright, so that their spines are visible, left to right : I,  II and  III. A worm starts eating from the outside front cover of volume I,  and  eats its way horizontally to the outside back cover of volume  III. What is the distance travelled by the worm, if each volume is  6 cm  thick?
  1. A
    6 cm
  2. B
    12 cm
  3. C
    18 cm
  4. D
    a little more than  18 cm 
Question 6Single Answer
In each of the following groups of words is a hidden number, based on which you should arrange them in ascending order. Pick the right answer :
1.   Tinsel event
2.   Man in England
3.  Good height
4.   Last encounter
  1. A
    1,  2,   3,   4
  2. B
    3,  2,   4,    1
  3. C
    1,  3,    4,    2
  4. D
    3,   4,    2,     1
Question 7Single Answer
Let m and n be two positive integers such that  m + n + mn = 118 , Then the value of  m + n is
  1. A
    not uniquely determined
  2. B
    18
  3. C
    20
  4. D
    22
Question 8Single Answer
When Ramesh was at the age of 8 years, he hammered a nail into a large tree to mark his height. If the tree grows 2 cm/year, how much higher would the nail be after 6 years?
  1. A
    5 cm higher
  2. B
    0 cm higher
  3. C
    10 cm higher
  4. D
    8 cm higher
Question 9Single Answer
Temperature can be expressed as derived quantity in terms of
  1. A
    length and mass
  2. B
    mass and time
  3. C
    length, mass and time
  4. D
    None of these
Question 10Single Answer
Electron volt is a unit of
  1. A
    potential difference
  2. B
    charge
  3. C
    energy
  4. D
    capacity
Question 11Single Answer
Dimensions of impulse are
  1. A
    [MLT –1]
  2. B
    [MLT²]
  3. C
    [MT–2]
  4. D
    [ML–1T–3]
Question 12Single Answer
Potential is measured in
  1. A
    joule/coulomb
  2. B
    watt/coulomb
  3. C
    newton–second
  4. D
    None of these
Question 13Single Answer
One Nanometer is equal to
  1. A
    10–9m
  2. B
    10–6m
  3. C
    10–10m
  4. D
    10–3m
Question 14Single Answer
Maxwell is the unit of
  1. A
    magnetic susceptibility
  2. B
    intensity of Magnetisation
  3. C
    magnetic Flux
  4. D
    magnetic Permeability
Question 15Single Answer
Which of the following is derived physical quantity ?
  1. A
    Mass
  2. B
    Velocity
  3. C
    Length
  4. D
    Time
Question 16Single Answer
What are the units of magnetic permeability ?
  1. A
    Wb A–1 m–1
  2. B
    Wb–1 Am
  3. C
    Wb A m–1
  4. D
    Wb A–1 m
Question 17Single Answer
Which of the following is not a synthetic fibre:
  1. A
    Anygora
  2. B
    Rayon
  3. C
    Nylon
  4. D
    Polyster
Question 18Single Answer
Which one of the following is not contained in Portland cement ?
  1. A
    Ca3Al2O6
  2. B
    Ca3SiO5
  3. C
    Ca2Si­O4
  4. D
    Ca3(PO4)2
Question 19Single Answer
What is the reson for white cement to be white ?
  1. A
    It does not contain carbon
  2. B
    It does not contain silicon
  3. C
    It does not contain iron
  4. D
    It does not contain calcium
Question 20Single Answer
Which fertilizer is assimilated directly by the plant ?
  1. A
    Super phosphate
  2. B
    Nitrolim
  3. C
    Muriate of Potash
  4. D
    Humus
Question 21Single Answer
Which of the following chemicals is used in foam fire extinguishers ?
  1. A
    Aluminium sulphate
  2. B
    Copper sulphate
  3. C
    Cobalt sulphate
  4. D
    Nickel sulphate 
Question 22Single Answer
What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?
  1. A
    Glass
  2. B
    Cement
  3. C
    paint
  4. D
    Gun powder
Question 23Single Answer
Which one of the following chemicals is used in beauty parlours for hair – setting ?
  1. A
    Sulphur based
  2. B
    Phosphorus based
  3. C
    Silicon based
  4. D
    Iron based 
Question 24Single Answer
Which one of the following is used as a mordant in dyeing and tanning industry ?
  1. A
    Magnesium oxide
  2. B
    Magnesium carbonate
  3. C
    Magnesium chloride
  4. D
    Magnesium sulphate
Question 25Single Answer
Which one of the following substances is used in the manufacture of safety matches ?
  1. A
    Red phosphorus
  2. B
    White phosphorus
  3. C
    Phosphorus trioxide (P2O3)
  4. D
    Black phosphorus

Mathematics

Question 26Single Answer
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
  1. A
    51:52
  2. B
    52:53
  3. C
    51:53
  4. D
    52:55
Question 27Single Answer
Which of the following numbers is irrational ?
  1. A
    √49
  2. B
    0.125
  3. C
    √2
  4. D
    22/7
Question 28Single Answer
356 x 936 – 356 x 836 = ?
  1. A
    35600  
  2. B
    34500
  3. C
    9630
  4. D
    93600
Question 29Single Answer
Arrange in descending order: 5/8, 7/10, 3/4
  1. A
    3/4 > 7/10 > 5/8
  2. B
    7/10 > 3/4 > 5/8
  3. C
    3/4 > 5/8 > 7/10
  4. D
    5/8 > 7/10 > 3/4
Question 30Single Answer
What is (3^{4} times 9^{2}) ?
  1. A
    36
  2. B
    38
  3. C
    310
  4. D
    96
     
Question 31Single Answer
If 34X-2 = 729, then find the value of X.
  1. A
    4     
  2. B
    3
  3. C
    2 
  4. D
    5
Question 32Single Answer
Convert 0.6 into fraction ?
  1. A
    3/5
  2. B
    2/3
  3. C
    4/5
Question 33Single Answer
The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?
  1. A
    169  
  2. B
    36
  3. C
    196 
  4. D
    Can not say
Question 34Single Answer
If a and b are positive integers, such that ab = 125, then (a-b)a+b-4 = ?
  1. A
    16   
  2. B
    25
  3. C
    28  
  4. D
    30
Question 35Single Answer
If x*y = x2 + y2 – xy, then value of 9*11 is
  1. A
    93     
  2. B
    103
  3. C
    60.5
  4. D
    121
Question 36Single Answer
Which is greater ?
  1. A
    15/16
  2. B
    17/18
  3. C
    Equal
  4. D
    Cannot compare
Question 37Single Answer
If sum of two numbers is 42 and their product is 437, then find their difference.
  1. A
    3 
  2. B
    4
  3. C
    5    
  4. D
    7
Question 38Single Answer
Write the 44000 in Roman numerals
  1. A
    XLI 
  2. B
    XLVI
  3. C
    XLIV 
  4. D
    XLVIC
Question 39Single Answer
Convert 0.0909… into fraction ?
  1. A
    1/11
  2. B
    9/11
  3. C
    1/9
  4. D
    9/10
Question 40Single Answer
What is (98 times 102) ?
  1. A
    9996
  2. B
    10000
  3. C
    10096
  4. D
    10196
Question 41Single Answer
Which is smaller ?
  1. A
    9/11
  2. B
    7/9
  3. C
    Equal
  4. D
    Cannot compare
Question 42Single Answer
Convert 0.5777… into fraction ?
  1. A
    26/45
  2. B
    52/90
  3. C
    13/22
  4. D
    5/9
Question 43Single Answer
Convert 0.81 into fraction ?
  1. A
    81/100
  2. B
    9/10
  3. C
    8/9
  4. D
    9/11
Question 44Single Answer
(63)2 – (12)2 =?
  1. A
    3528 
  2. B
    3852
  3. C
    3582  
  4. D
    3825
Question 45Single Answer
Which is greater ?
  1. A
    13/17
  2. B
    11/14
  3. C
    Equal
  4. D
    Cannot compare
Question 46Single Answer
16.928 + 24.7582  5.015 =?
  1. A
    20   
  2. B
    24
  3. C
    22
  4. D
    26
Question 47Single Answer
Convert 0.75 into fraction ?
  1. A
    3/4
  2. B
    2/3
  3. C
    4/5
  4. D
    5/8
Question 48Single Answer
Which is greater ?
  1. A
    11/13
  2. B
    12/15
  3. C
    Equal
  4. D
    Cannot compare
Question 49Single Answer
Two numbers are co-prime if their HCF is ?
  1. A
    0
  2. B
    1
  3. C
    Same
  4. D
    Prime
Question 50Single Answer
Product of all factors of 10 is ?
  1. A
    10
  2. B
    100
  3. C
    1000
  4. D
    10000
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