1.

Which of the following is the square root of 21316?1. 1542. 1363. 1464. 134

Answer» Correct Answer - Option 3 : 146

Concept used:

We can get the square root by prime factorization method

Calculation:

21316 = 2 × 2 × 73 × 73

21316 = 22 × 732

⇒ 21316 = (2 × 73)2

⇒ 21316 = 1462

∴ The square root of 21316 is 146



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