Question

(13) Find the smallest perfect square number which is divisible
by 4, 9 and 10.​

Answer 1

Answer:

900

Step-by-step explanation:

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Answer 2

Answer:

L.C.M. of 4, 9 and 10 is 180.

Prime factors of 180 = 2 x 2 x 3 x 3 x 5

Here, prime factor 5 has no pair. Therefore 180 must be multiplied

by 5 to make it a perfect square.

∴ 180 x 5 = 900

Hence, the smallest square number which is divisible by 4, 9 and 10

is 900.

Step-by-step explanation:

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