1.

A sum of Rs. 3000 is partly lent at 3% per annum simple interest for (7)/(2) years and partly at 2% per annum simple interest for 4 years. If total interest earned is Rs. 280, then the sum lent at 3% per annum is

Answer»

RS. 1600
Rs. 1400
Rs. 1800
Rs. 2000

Solution :USE formula for AMOUNT at different rates.


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