Book Maths Puzzle Numerical Ability

Find the smallest positive integer whose product with 116 gives a perfect square.

Read Solution (Total 2)

116*29=3364
sqrt(3364)=58
so Ans is :: 29
10 years agoHelpfull: Yes(1) No(0)

Ans is 29
116= 2*2*29
to make it perfect square, it must be multiplied by 29
116*29
=(58)^2
10 years agoHelpfull: Yes(0) No(0)

Book Other Question

In the decimal expansion of 1/7, what is the 100th digit after the decimal? N is a 3-digit number that is a perfect square. When the first digit is increased by 1, the second digit is increased by 2, the third digit is increased by 3, the result is still a perfect square. Determine N.