Question 56

How many numbers less than 200 are multiples of both 5 and 6?

Solution

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Numbers which are multiples of both 5 and 6 = Numbers which are multiples of L.C.M. (5,6) = 30

We know that $$30\times6=180<200$$

Thus, numbers less than 200 that are multiples of 30 = 6

=> Ans - (D)

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