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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 × 7 × 2 × 3
To make it a perfect square, it must be multiplied by 2 × 3 i.e.,6
∴ Required number = 6

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