Question

without doing any calculation, find the number which are surely not perfect squares 169​

Answer 1

Step-by-step explanation:

82 members which are not perfect squares 169

Answer 2

Answer:

hiii

Step-by-step explanation:

We know that natural numbers ending with the digits 0, 2, 3, 7 and 8 are not perfect square.

i. 153⟹ Ends with 3.

∴, 153 is not a perfect square

ii. 257⟹ Ends with 7

∴, 257 is not a perfect square

iii. 408⟹ Ends with 8

∴, 408 is not a perfect square

iv. 441⟹ Ends with 1

∴, 441 is a perfect square.