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

Problems on H.C.F and L.C.M
The Smallest number which when diminished by 7, is divisible by 12,16,18,21 and 28 is :

1022
1015
1032
1008

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Problems on H.C.F and L.C.M
The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above condition is

8
4
12
6

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Problems on H.C.F and L.C.M
The least number, which when divided by 48, 60, 72, 108 and 140 leaves 38, 50, 62, 98 and 130 as remainders respectively, is:

15110
15210
15120
11115

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Problems on H.C.F and L.C.M
The L.C.M. of two numbers is 45 times their H.C.F. If one of the numbers is 125 and the sum of H.C.F. and L.C.M. is 1150, the other number is:

235
225
220
215

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Problems on H.C.F and L.C.M
A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square tiles, all of the same size. what is the largest size of the tile which could be used for the purpose?

42 cms
14 cms
None of these
21 cms

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Problems on H.C.F and L.C.M
Find the least square number which is divisible by 10, 12, 15 and 18?

2500
3600
1600
900

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MORE MCQ ON Problems on H.C.F and L.C.M

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