IBPS RRB Office Assistant (Multipurpose) Prelims practice question
If √6241 = 79, find the value of √62410000 + √62.41.
From a IBPS RRB Office Assistant (Multipurpose) Prelims Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (C) 7907.9
Moving the decimal point by 2 places under the root moves it by 1 place in the root. √62410000 = 7900 and √62.41 = 7.9. Sum = 7900 + 7.9 = 7907.9.
हिंदी में प्रश्न
यदि √6241 = 79 है, तो √62410000 + √62.41 का मान ज्ञात कीजिए।
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सही उत्तर: (C) 7907.9
मूल के नीचे दशमलव बिंदु 2 स्थान खिसकाने पर मूल में 1 स्थान खिसकता है। √62410000 = 7900 तथा √62.41 = 7.9। योग = 7900 + 7.9 = 7907.9।
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