Mathematics MCQs

1767 MCQs  (Page 131 of 177)

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What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?
A. 196
B. 630
C. 1260
D. 2520
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The smallest fraction, which each of 6/7, 5/14, 10/21 will divide exactly is_________?
A. 30/7
B. 30/98
C. 60/147
D. 50/294
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The L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 10, then their difference is__________?
A. 10
B. 46
C. 70
D. 90
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If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocal of the numbers is equal to___________?
A. 55/601
B. 601/55
C. 11/120
D. 120/11
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Product of two co-prime numbers is 117. Their L.C.M should be__________?
A. 1
B. 117
C. Equal to their h.c.f
D. Cannot be calculated
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The H.C.F of two numbers is 8. Which of the following can never be their L.C.M?
A. 24
B. 48
C. 56
D. 60
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The H.C.F of two numbers is 23 and the other two factors of their L.C.M are 13 and 14. The larger of the two numbers is___________?
A. 276
B. 299
C. 322
D. 345
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The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of numbers is__________?
A. 28
B. 32
C. 40
D. 64
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Three numbers are in the ratio 3:4:5 and their L.C.M is 2400. Their H.C.F is:
A. 40
B. 80
C. 120
D. 200
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The H.C.F and L.C.M of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is____________?
A. 12
B. 48
C. 84
D. 108
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Word of the Day
18 Jul
Proactive
(of a person or action) creating or controlling a situation rather than just responding to it after it has happened.
فعال، پیش قدمی کے ذریعے صورتحال پر قابو پانیوالا

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