What will come in place of question mark ? \(\sqrt {\frac{{32.4}}{?}} = 2\)

What will come in place of question mark ? \(\sqrt {\frac{{32.4}}{?}} = 2\)

A 2.1

B 3.1

C 8.1

D 4.1

Solution

Correct Answer: Option C

Solution:

8.1 কারণ 32.4 \( \div \) 8.1 = 4 আর \(\sqrt 4 \) = 2