What is the value of ?

Answer and explanation

Correct answer: A. 5

  1. Step 1: The square root represents the non-negative number whose square equals 25.
  2. Step 2: Verify by squaring 5: .
  3. Step 3: Hence, the principal square root is .
Answer
5.

Practise more Squares and roots.

Free questions with an explanation for every one, and full timed Railways NTPC mock tests.

All Squares and roots questionsTake a mock test

More Squares and roots questions