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

Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is________?

Hamad Problems on L.C.M and H.C.F 10/12/2020

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A. 75
B. 81
C. 85
D. 89
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The least number which when add 3 to it, completely divided 8, 12 and 18 is_______?

Hamad Problems on L.C.M and H.C.F 07/12/2020

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A. 71
B. 70
C. 69
D. 68
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The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19, 29 and 34 respectively is________?

Hamad Problems on L.C.M and H.C.F 06/12/2020

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A. 1994
B. 1494
C. 1349
D. 1496
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The least number which when divided by 8, 12 and 16, leave in each remainder 3, is_______?

Hamad Problems on L.C.M and H.C.F 28/11/2020

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A. 71
B. 70
C. 69
D. 51
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LCM of 18 and 27 is_________?

Hamad Problems on L.C.M and H.C.F 19/11/2020

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A. 85
B. 89
C. 54
D. 91

Which of the following fractions is the largest?

Hamad Problems on L.C.M and H.C.F 15/11/2020

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A. 7/8
B. 13/16
C. 31/40
D. 63/80
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Which of the following has most number of divisors?

Hamad Problems on L.C.M and H.C.F 14/11/2020

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A. 99
B. 101
C. 176
D. 182
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A man was employed on the promise that he will be paid the highest wages per day. The contract money to be paid was Rs. 1189. Finally he was paid only Rs. 1073. For how many days did he actually work?

Hamad Problems on L.C.M and H.C.F 04/11/2020

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A. 39
B. 40
C. 37
D. 35
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The G.C.D of 1.08, 0.36 and 0.9 is________?

Hamad Problems on L.C.M and H.C.F 01/11/2020

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A. 0.03
B. 0.9
C. 0.18
D. 0.108
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The least number which when diminished by 7 is divisible by 21, 28, 36 and 45 is________?

Hamad Problems on L.C.M and H.C.F 26/10/2020

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A. 1267
B. 1265
C. 1261
D. 68
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