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Find the Square root of the following:

√225


1. 10
2. 9
3. 20
4. 15

1 Answer

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Correct Answer - Option 4 : 15

Given:

Number = √225

Calculation:

Number = √225

⇒ Factor of number 225 = 3 × 3 × 5 × 5

Now,

⇒ √225 = (3 × 3 × 5 × 5)1/2

⇒ √225 = 3 × 5

⇒ √225 = 15

∴ The value of √225 is 15.

⇒√A = (A)1/2 

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