1.

By which smallest number 1225 must be multiplied, so that it becomes a perfect cube1. 52. 73. 354. 49

Answer» Correct Answer - Option 3 : 35

calculation:

1225 = 5 × 5 × 7 × 7

To make it a perfect cube it must be multiplied by 5 × 7 .

5 × 5 × 5 × 7 × 7 × 7 = 42875

∴ required answer is 35 



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