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Question

The least number by which 294 must be multiplied to make it a perfect square is.


Options:
A .  2
B .  3
C .  6
D .  24
Answer: Option C

294 =  7 x 7 x 2 x 3.

To make it a perfect square , it must be multiplied by 2 x 3  i.e.  6

`:.`  Required number = 6.




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