Tick (✓) the correct answer
What least number must be added to 526 to make it a perfect square?
(a) 3
(b) 2
(c) 1
(d) 6

Q. Tick (✓) the correct answer
What least number must be added to 15370 to make it a perfect square?
(a) 4
(b) 6
(c) 8
(d) 9

Q. What least number must be added to 526 to make it aperfect square?
(a) 3
(b) 2
(c) 1
(d) 6

Q. What least number must be added to 15370 to make it a perfect square?
(a) 4
(b) 6
(c) 8
(d) 9

Q. Tick (✓) the correct answer
What least number must be subtracted from 176 to make it a perfect square?
(a) 16
(b) 10
(c) 7
(d) 4

Q. Mark (✓) against the correct answer
What least number must be subtracted from 178 to make it a perfect square?
(a) 6
(b) 8
(c) 9
(d) 7