18. The least perfect square which
divisible by each of 21, 36 and 66 is:
(a) 213444
(b) 214344
(c) 214434
(d) 231444
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0
Answer:
answer is 231444 it should be
Answered by
2
Answer:
★) LCM of 21, 36, 66 is 3^2, 2^2, 7, 11. So the smallest perfect square should be 3^2 x 2^2 x 7^2 x 11^2 = 213444.
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