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CBSE Class 11-science Answered

please answer.
Asked by Kchawla94 | 05 Apr, 2019, 06:00: PM
Expert Answer
$100 has become 3 times in 12.5 years. hence simple interest is $200
 
pnR/100 = 100×12.5×R/100 = 200  or  Rate of interest = 16%
 
interest for 25 years = pnR/100 = 100×25×16/100 = $400
 
Total amount = $100 + $400 = $500
Answered by Thiyagarajan K | 06 Apr, 2019, 12:23: PM

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