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

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 :

3600
6400
11400
1600

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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?

381
391
485
431

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Problems on H.C.F and L.C.M
Least perfect square number, exactly divisible by 21, 36 and 56 is?

3600
7056
441
504

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Problems on H.C.F and L.C.M
Find the smallest number which when increased by 5, divisible by 6, 9, 15, 20 and 24?

377
344
366
355

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Problems on H.C.F and L.C.M
The H.C.F of 2923 and 3239 is :

47
37
79
73

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Problems on H.C.F and L.C.M
A. B. and C. start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds.all starting at the same point.

46 minutes 12 seconds.
42 minutes 36 seconds
26 minutes 18 seconds
45 minutes

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

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