By just examining the units digits, can you tell which of the following cannot be whole squares? (i) 1026 (ii) 1028 (iii)1024 (iv) 1022 (v) 1023 (vi) 1027

Question

Philoid · Accepted Answer

Numbers ending with 2, 3, 7, 8 cannot be perfect square. So,

1028 (iv) 1022 (v) 1023 (vi) 1027 cannot be whole squares.

By just examining the units digits, can you tell which of the following cannot be whole squares?(i) 1026 (ii) 1028(iii)1024 (iv) 1022(v) 1023 (vi) 1027

By just examining the units digits, can you tell which of the following cannot be whole squares?
(i) 1026 (ii) 1028

(iii)1024 (iv) 1022

(v) 1023 (vi) 1027