IBPS Clerk Prelims practice question
If √9025 = 95, find the value of √90250000 + √90.25.
From a IBPS Clerk Prelims Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (C) 9509.5
Moving the decimal point by 2 places under the root moves it by 1 place in the root. √90250000 = 9500 and √90.25 = 9.5. Sum = 9500 + 9.5 = 9509.5.
हिंदी में प्रश्न
यदि √9025 = 95 है, तो √90250000 + √90.25 का मान ज्ञात कीजिए।
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सही उत्तर: (C) 9509.5
मूल के नीचे दशमलव बिंदु 2 स्थान खिसकाने पर मूल में 1 स्थान खिसकता है। √90250000 = 9500 तथा √90.25 = 9.5। योग = 9500 + 9.5 = 9509.5।
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