Question

What will come in the place of the question mark ‘?’ in the following question?

\(\sqrt {256} \div \sqrt ? = 2\)

1. 64
2. 65
3. 61
4. 66
5. none of these

Answer 1

Correct Answer - Option 1 : 64

Given:

\(\sqrt {256} \div \sqrt ? = 2\)

Concept used:

Simplification

Calculation:

⇒ \(\frac{{\sqrt {256} }}{{\sqrt ? }} = 2\)

Now squaring on both sides

⇒ \(\frac{{256}}{?} = 4\)

⇒ ? = 256/4

∴ ? = 64