Question

9. Which one among the following can not be a digit at the units place of a perfect square number? *
a) 1
b) 2
C) 4
d) 6​

Answer 1

Answer:

Answers is= (b) 2

Step-by-step explanation:

There are 2,3,7,8 no. If the like 1523, it unit place is 3 then defiantly it is not a perfect square so, the answer is 2