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ICSE Class 8 Answered

A sum of money lent out at 9 % for 5 years produces twice as much interest as ₹4,800 in 9/2 years at 10 %. Find the sum. 
Asked by padmajavadlamani | 20 Feb, 2020, 06:47: PM
answered-by-expert Expert Answer
Let space straight P space be space the space sum straight I equals PNR over 100 case space 1 straight I equals fraction numerator straight P cross times 9 cross times 5 over denominator 100 end fraction Case space 2 2 cross times fraction numerator 4800 cross times begin display style 9 over 2 end style cross times 10 over denominator 100 end fraction equals straight I 2 cross times fraction numerator 4800 cross times begin display style 9 over 2 end style cross times 10 over denominator 100 end fraction equals fraction numerator straight P cross times 9 cross times 5 over denominator 100 end fraction straight P equals 9600 space Rs.
Answered by Arun | 21 Feb, 2020, 10:05: AM

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