Question
A borrowed Rs. 9500 from B for his business. How much
amount A will return to B at the end of 36 months such that the sum was borrowed at simple interest of 25% p.a.?Solution
ATQ, Principal (P) = Rs. 9500 Rate (R) = 25% per annum Time (T) = 36 months = 3 years Simple Interest (SI) formula: 
Total amount to return = 9500+7125 =Â Rs.16,625 Hence, A will return Rs.16,625 after 36 months.
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