KBC 2023| The square of which of the following is not a three-digit number?

KBC 2023, Check the answer to the question- The square of which of the following is not a three-digit number?

KBC 2023, The options of the question – The square of which of the following is not a three-digit number?

A. 30

B. 20

C. 9

D. 15

The answer is C. 9.