Question

Which number is subtracted from 682 to make it a perfect square?

Answer 1

6 must be subtracted from 682 to form 676 which is a perfect square of 26

Answer 2

since 25² = 625

26² = 676

27² = 729

perfect square smaller and nearer to 682 is 676

let X should be subtracted

682-x =676

X = 682-676

X = 6

thus 6 should be subtracted