The least number by which 1470 must be divided to get a number which is a perfect square is-

A 5
B 6
C 15
D 30

Correct Answer: 5

1470 এর গ, সা, গু 1470 = 2×5×3×7×7 So, the least number is = 2×5×3 = 30
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Related Questions

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