# NCERT Class 8 Mathematics Solutions: Chapter 6 – Squares and Square Roots Exercise 6.4 Part 4

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**Question: 3** Find the square root of the following decimal numbers:

(i) 2.56

(ii) 7.29

(iii) 51.84

(iv) 42.25

(v) 31.36

**Answer:**

**(i)** 2.56

Hence, the square root of 2.56 is 1.6

**(ii)** 7.29

Hence, the square root of 7.29 is 2.7

**(iii)** 51.84

Hence, the square root of 51.84 is 7.2

**(iv)**

Hence, the square root of is 6.5

**(v)** 31.36

Hence, the square root of is 5.6