Question

13.
8. Which of the following four digit
numbers is a perfect square such that
the first two digits and the last two digits
considered separately also represent
perfect squares?
(a) 3616
(6) 6436
(C) 8164
(d) 1681.​

Answer 1

Answer:

the correct answer is d

Answer 2

The correct answer is option D

1681 is a perfect square of 41

and first two digits 16 is also a perfect square of 4

and last two digits 81 is also a perfect square of 9.

hope this answer helps you!!