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