Question
L.C.M. of 1 and 90 is __.
Answer: Option A
:
A
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A
Multiples of 90 will be 90, 180, ...... and
Multiples of 1 will be 1, 2, 3...90 and so on.
From the above, we can say that, the least common multiple of 1 and 90 will be 90.
The L.C.M. of 1 and any other number, say 'x' is always 'x'.
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