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(4) Mathematics (Q. No. 91-120)
91. If a and b are odd numbers, then which of the following is even ?
(a) a+ b
(b) a+b+1
(c) ab
(d) ab+2
(e) None of these
Answer – A
92. Three numbers are in the ratio of 3:4:5 and their L.C.M. is 2400. Their H.C.F. is
(a) 40
(b) 80
(c) 120
(d) 200
Answer – A
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93. 792.02 + 101.32- 306.76= ?
(a) 586.58
(b) 893.34
(c) 997.11
(d) 1200.10
Answer – A
96. The average of five numbers is 27. If one number is excluded. the average becomes 25. The excluded number is :
(a) 25
(b) 27
(c) 30
(d) 35
Answer – D
97. The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two number is :
(a) 10
(b) 12
(c) 15
(d) 16
Answer – B
98. Rajan got married 8 years ago. His present age is 6/5 times his age at the time of his marriage.Rajan’s sister was 10 years younger to him atthe time of his marriage. The age of Rajan’s sister is
(a) 32 years
(b) 36 years
(c) 38 years
(d) 40 years
Answer – c
100. At an election involving two candidate, 68 votes were declared invalid. The winning candidate secures 52% and wins by 98 votes. The total
number of votes polled is :-
(a) 2382
(b) 2450
(c) 2518
(d) None of these
Answer – c
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