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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

1008
1032
1022
1015

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Problems on H.C.F and L.C.M
Three numbers are in the ratio 3:4:5 and their L.C.M is 2400. Their H.C.F is:

40
80
120
200

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

11 hours
12 hours
22 hours
220 hours

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Problems on H.C.F and L.C.M
The least number which is a perfect square and is divisible by each of the numbers 16, 20 and 24, is:

1600
14400
6400
3600

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Problems on H.C.F and L.C.M
A room is 4 meters 37 cm long and 3 meters 23cm broad. It is required to pave the floor with minimum square slabs. Find the number of slabs required for this purpose?

485
431
391
381

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Problems on H.C.F and L.C.M
Reduce 4128/4386 to its lowest terms

16/17
13/18
14/13
13/17

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

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