1.

Find the square root of 48841.1. 2192. 2213. 2114. 2095. None of these.

Answer» Correct Answer - Option 2 : 221

Concept used:-

Trick to find square root of a number.

Method and Calculation:-

 • Find the unit digit of square root by looking at unit digit of given number.

For ✓48841, unit digit must be 9 or 1

 • Find other two digits by looking at number formed by first 3 digit.

484 < 488 < 529 (584 and 529 are squares of 22 and 23, so remaining part  of square root will be 22.

 • Find the square root from the narrowed down options.

✓48841 = 221 or 229. To find this, we multiply 22 × 23, which is equal to 506 and is more than 488. Hence the smaller of two will be the square root

Clearly, ✓48841 = 221



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