Find the principal if the compound interest at the rate of 5% per annum compoun annually for 3 years is 1261
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let the principal be x Rs
Then,
CI = P[(1+R/100)^T -1]
=> 1261 = x[(1+5/100)^3-1]
=>1261 = x(9261/8000 -1)
=>1261 = x(1261/8000)
=>1261 = (1261x/8000)
=> x = 1261×8000/1261
=> x = 8000 Rs
I hope that it will help you ✌
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