Question

radio-set? Find the least number which, after being increased by 8, is exactly divisible by 15, 20 and 25.
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Answer 1

Step-by-step explanation:

First we find the least number which is exactly divisible by the numbers 15,35 and 48 . For this , we find L.C.M of 15,35 and 48 .

∴ LCM =3×5×7×2 ×2×2×2=1680

According to given condition , the required number will be 15 less than 1680.

∴ The required least number =1680=15=1665

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