Number System Questions For Railway Group-D PDF:
Download Number System Questions For Railway Group-D PDF with detailed solutions. Important Practice questions based on previous year railway exam papers.
Download Number System Questions For Railway Group-D PDF
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Question 1: What is the smallest number by which 3600 must be divided to make a perfect cube ?
a) 45
b) 50
c) 300
d) 450
Question 2: The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, the other is :
a) 279
b) 283
c) 308
d) None of the above
Question 3: 994 x 1006 is equal to :
a) 999664
b) 999644
c) 996644
d) 999964
Question 4: The sum of two numbers is 45 and their ratio is 7:8. The two numbers are:
a) 20, 25
b) 21, 24
c) 22, 23
d) None of the above
Question 5: The square of 349 is :
a) 122801
b) 122881
c) 121801
d) None of the above
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Question 6: Arrange 2/3; 4/5; 1/2; 3/4 in descending order :
a) 4/5 > 2/3 > 1/2 > 3/4
b) 1/2 > 2/3 > 4/5 > 3/4
c) 3/4 > 1/2 > 4/5 >2/3
d) 4/5 > 3/4 > 2/3 > 1/2
Question 7: Find the number which is as much greater than 84 as it is less than 108 :.
a) 92
b) 94
c) 96
d) 98
Question 8: In a school 10% of the boys are same in number as 1/ 4 th of the girls. What is the ratio of boys to girls in the school?
a) 3 : 2
b) 5 : 2
c) 5 : 3
d) 4 : 1
Question 9: The average of 0.3, 3, 0.03 and 0.002 is :
a) 833
b) 83.3
c) 0.803
d) 0.833
Question 10: The square root of 7744 is :
a) 98
b) 92
c) 88
d) 82
Railway Group-D All Important Questions PDF
Answers:
1) Answer (D)
2) Answer (C)
3) Answer (D)
4) Answer (B)
5) Answer (C)
6) Answer (D)
7) Answer (C)
8) Answer (B)
9) Answer (D)
10) Answer (C)
Railway Group-D Free Mock Test (Hindi/English)
