Question
A sum of money lent at 5% rate of simple interest. The
difference between interest for 6 years and 4 years is Rs. 2000. Find the principal amount.Solution
Let the principal be P
According to question,
(P*5*6)/100 - (P*5*4)/100 = Rs. 2000
30P/100 - 20P/100 = 2000
10P/100 = 2000
P = Rs.20,000
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