The least perfect square, which is divisible by each of 21, 36 and 66 is:
A. 214344
B. 214434
C. 213444
D. 231444
Answer: Option C
Solution(By Examveda Team)
LCM of (21, 36, 66)= 21 × 12 × 11
= 7 × 3 × 4 × 3 × 11
= 7 × 3 × 2 × 2 × 3 × 11
For perfect square multiply by 7 × 11
So that pairs of number from perfect square
Required result is (which is perfect square) ⇒ 213444
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