The number 250 can be written as sum of the squares of 3 different positive integers. What is the sum of these 3 different integers? Choose the correct option
A) 18  B) 22  C) 21  D) 20  E) 19

Rationale: sum of the squares of 3 different positive integers = 250 15 ^ 2 + 3 ^ 2 + 4 ^ 2 = 250 now , sum of these 3 different integers = 15 + 3 + 4 = 22 ans - b
Answer: B