Question

sunil invested rs 2000 for 3 years and rs 5000 for 2 years at the same rate of interest if he had received the total interest of rs 1440. what was the rate of interest

Answer 1

Answer:

9%

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Step-by-step explanation:

interest rate per annum % = r

Interest = (P*r*n)/100

interest for 3 Years = 2000*r*3/100= 60r

Interest for 2 Years = 5000*r*2/100= 100r

Total interest = 60r + 100r = 160r

160r = 1440

r = 9