Question

Find the least number which is multiplied by 882 so that the product may be perfect square

Answer 1

given no = 882 expressing into prime factors , we have 882 = 2×21×21. since 2 left unpaired . so to make 892 a perfect sq it should be multiplied by 2 .now 882 ×2 = 1764 . which is a perfect sq. hence the sq root of of the quotient is 42.