What is the smallest positive perfect square that is divisible by 4, 9, and 18?
Select the correct option
A) 36  B) 81  C) 144  D) 625  E) 900
The number needs to be divisible by 2^2, 3^2, and 2*3^2.   The smallest such perfect square is 2^2*3^2 = 36   The answer is 36.
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What is the smallest positive perfect square that is divisible by 4, 9, and 18?