Question

13. The least integer when multiplied by 2940
becomes a perfect square is
(a) 10 (b) 15
(c) 20 (0) 35


ANS. (b) Factors of 2940 = 2 x 2 x 3 x 5x7x7
We need one 3 and one 5 more in factor to
make it perfect square
So, least number must be multiplied is 15​

Answer 1

Answer:

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Step-by-step explanation:

ans 356

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