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

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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H.C.F of 4 * 27 * 3125, 8 * 9 * 25 * 7 and 16 * 81 * 5 * 11 * 49 is___________?

Hamad Problems on L.C.M and H.C.F 24/10/2020

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A. 180
B. 360
C. 540
D. 1260
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A drink vendor has 80 liters of Maaza, 144 liters of Pepsi and 368 liters of Sprite. He wants to pack them in cans, so that each can contains the same number of liters of a drink, and doesn’t want to mix any two drinks in a can. What is the least number of cans required?

Hamad Problems on L.C.M and H.C.F 21/10/2020

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A. 35
B. 37
C. 42
D. 30
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Find the size of the largest square slabs which can be paved on the floor of a room 5 meters 44 cm long and 3 meters 74 cm broad?

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

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A. 56
B. 42
C. 38
D. 34
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Find the H.C.F of 12, 16, 18 and 24?

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

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A. 1
B. 2
C. 3
D. 4

There are four prime numbers written in ascending order of magnitude. The product of the first three is 385 and of the last three is 1001. Find the fourth number?

Hamad Problems on L.C.M and H.C.F 03/10/2020

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A. 5
B. 7
C. 11
D. 13

Find the least multiple of 13 which when divided by 6, 8 and 12 leaves 5, 7 and 11 as remainders respectively? A. 143 B. 169 C. 260 D. 221

Hamad Problems on L.C.M and H.C.F 02/10/2020

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A. 143
B. 169
C. 260
D. 221

Five bells first begin to toll together and then at intervals of 5, 10, 15, 20 and 25 seconds respectively. After what interval of time will they toll again together?

Hamad Problems on L.C.M and H.C.F 20/08/2020

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A. 5 min
B. 5.5 min
C. 5.2 min
D. None

Find the smallest number which when increased by 5, divisible by 6, 9, 15, 20 and 24?

Hamad Problems on L.C.M and H.C.F 16/08/2020

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A. 344
B. 355
C. 366
D. 377

Find the lowest 4-digit number which when divided by 3, 4 or 5 leaves a remainder of 2 in each case?

Hamad Problems on L.C.M and H.C.F 28/07/2020

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A. 1020
B. 1026
C. 1030
D. 1022
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