Category: Problems on L.C.M and H.C.F

The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above conditions is__________?

Hamad Problems on L.C.M and H.C.F 16/07/2023

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A. 4
B. 6
C. 8
D. 12
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Find the greatest number which is such that when 697, 909 and 1227 are divided by it, the remainders are all the same?

Hamad Problems on L.C.M and H.C.F 04/06/2023

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A. 53
B. 112
C. 108
D. 106

The product of two digits number is 2160 and their HCF is 12. The numbers are________?

Hamad Problems on L.C.M and H.C.F 16/03/2023

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A. (36,60)
B. (12,180)
C. (96,25)
D. (72,30)

Find the lowest common multiple of 24, 36 and 40.

Hamad Problems on L.C.M and H.C.F 16/01/2022

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A. 120
B. 240
C. 360
D. 480
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The least number of five digits that have 144 their HCF is__________?

Hamad Problems on L.C.M and H.C.F 05/01/2022

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A. 10085
B. 10080
C. 10075
D. 10070
(more…)

1095/1168 when expressed in simplest form is:

Hamad Problems on L.C.M and H.C.F 26/12/2021

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A. 13/16
B. 15/16
C. 17/26
D. 25/26
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Find the greatest number which will divide 25, 73 and 97 as so to leave the same remainder in each case?

Hamad Problems on L.C.M and H.C.F 25/12/2021

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A. 12
B. 18
C. 24
D. 32

LCM of two numbers is 138. But their (Greatest common divisor) GCD is 23. The numbers are in a ratio 1:6. Which is the largest number amongst the two?

Hamad Problems on L.C.M and H.C.F 16/12/2021

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A. 46
B. 138
C. 69
D. 23

A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is_______?

Hamad Problems on L.C.M and H.C.F 14/12/2021

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A. 31
B. 41
C. 51
D. 61
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Find the greatest number of four digits which when divided by 10, 15, 21 and 28 leaves 4, 9, 15 and 22 as remainders respectively?

Hamad Problems on L.C.M and H.C.F 12/12/2021

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A. 9654
B. 9666
C. 9664
D. 9864