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CBSE Class 7 Answered

In how many years will rupees 150 double itself at 4% S.I.?  
Asked by arajeevshashank | 29 Jan, 2018, 12:29: PM
Expert Answer
begin mathsize 16px style According space to space the space question space amount equals 150 cross times 2 equals Rs. space 300 straight r equals 5 percent sign space straight p. straight a. space and space straight P equals Rs. space 150 Simple space Interest equals straight A minus straight P Simple space Interest equals 300 minus 150 Simple space Interest equals Rs. space 150 straight P cross times straight n cross times straight r over 100 equals 150 150 cross times straight n cross times 4 over 100 equals 150 straight n equals 150 cross times 100 over 4 cross times 1 over 150 straight n equals 25 space years end style
Answered by Sneha shidid | 29 Jan, 2018, 04:12: PM

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