Find the smallest number divisible by 9,12 and 20

Answers 1

Answer:

Taking L.C.M,

2|9,12,20

2|9,6,10

3|9,3,5

3|3,1,5

5|1,1,5

|1,1,1

2×2×3×3×5 = 180

So, the smallest no divisible by 9,12,20 is 180.

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