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Q
The smallest positive integer which when multiplied by 392, gives a perfect square is ?
Solution
Factorising 392 into simple prime factors we get
392 = 23 × 72
⇒ 2 is the smallest positive...
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A research lab in Chennai requires 100 mice and 75 sterilized cages for a certain set of laboratory experiments. To identify the mice, the lab has prepared labels with numbers 1 to 100 , by combining tags numbered 0 to 9. The SPCA requires that the tags be made of toxin-free material and…
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