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

The greatest number of five digits which is divisible by 32, 36, 40, 42 and 48 is_________?

Hamad Problems on L.C.M and H.C.F 17/05/2021

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A. 90730
B. 90725
C. 90715
D. 90720
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What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?

Hamad Problems on L.C.M and H.C.F 21/04/2021

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A. 196
B. 630
C. 1260
D. 2520
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Find the greatest number that, while dividing 47, 215 and 365, gives the same remainder in each case?

Hamad Problems on L.C.M and H.C.F 15/04/2021

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A. 3
B. 4
C. 5
D. 6
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A merchant has three different types of milk: 435 liters, 493 liters and 551 liters. Find the least number of casks of equal size required to store all the milk without mixing.

Hamad Problems on L.C.M and H.C.F 14/04/2021

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A. 51
B. 61
C. 47
D. 45
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Three men start together to travel the same way around a circular track of 11 kilometers in circumference. Their speeds are 4, 5 and 8 kilometers per hour respectively. When will they meet at a starting point?

Hamad Problems on L.C.M and H.C.F 08/04/2021

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A. 11 hours
B. 12 hours
C. 220 hours
D. 22 hours

Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?

Hamad Problems on L.C.M and H.C.F 05/04/2021

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A. 246 seconds
B. 242 seconds
C. 240 seconds
D. 243 seconds

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___________?

Hamad Problems on L.C.M and H.C.F 27/03/2021

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A. 276
B. 299
C. 322
D. 345
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HCF and LCM two numbers are 12 and 396 respectively. If one of the numbers is 36, then the other number is_______?

Hamad Problems on L.C.M and H.C.F 27/03/2021

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A. 36
B. 66
C. 132
D. 264
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How many minimum number’s of whole square slabs are required for paving the floor 12.96 meters long and 3.84 meters side?

Hamad Problems on L.C.M and H.C.F 13/03/2021

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A. 216
B. 192
C. 108
D. 256
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Find the greatest 4-digit number exactly divisible by 3, 4 and 5?

Hamad Problems on L.C.M and H.C.F 10/03/2021

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A. 9985
B. 9960
C. 9957
D. 9975
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