28.The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is:
[A] 12
[B] 16
[C] 24
[D] 48
Answer : [D]
Explanation :
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Let the numbers be 3x and 4x. Then, their H.C.F. = x. So, x = 4.
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So, the numbers are 12 and 16.
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L.C.M. of 12 and 16 = 48
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