Freshers India

By what least number 675 be multiplied to obtain a number which is a perfect cube?                        

A man plants 15376 apple trees in his garden and arranges them so that there as many as there are apples trees in each row. Te number of rows is                        

Find the smallest number by which 5808 should be multiplied so that the product becomes a perfect square?                        

If x = 1 + v2 and y = 1 - v2, find the value of (x² + y²).                        

v.081 ×.484 / .0064 ×6.25 is equal to                        

Evaluate: v(9.5 * 0.0085 * 18.9) / (0.0017 * 1.9 * 0.021)