Question

A number whose unit digit is_______ , cannot be a perfect square. A.1 B.4 C.6D. 8​

Answer 1

Answer:

correct answer is C.6D hi bor

Answer 2

Answer:

Here is your name mate

Step-by-step explanation:

Question,

A number whose unit digit is_______ , cannot be a perfect square.

Answer,

Unit places of perfect square ending with

Ending with 1=> 1×1 = 1

Ending with 2=> 2×2 = 4

Ending with 3=> 3×3 = 9

Ending with 4=> 4×4 = 6

Ending with 5=> 5×5 = 5

Ending with 6=> 6×6 = 6

Ending with 7=> 7×7 = 9

Ending with 8=> 8×8 = 4

Ending with 9=> 9×9 = 1

Ending with 0=> 0×0 = 0

Any perfect question will end with

1,4,5,6,9, 0

So option is D

Have a good day❤️