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 Solution A man puts out Rs 500 for 4 years on simple interest and Rs 600 for 3 years The total interest he receives is Rs 190 . What is the rate percent per annum?Solution:Your problem -> A man puts out Rs 500 for 4 years on simple interest and Rs 600 for 3 years The total interest he receives is Rs 190 . What is the rate percent per annum?Let the rate(R) % per annum = X SI on Rs. 500 = (P*R*N)/100 = (500 * X * 4) / 100 = 20 X SI on Rs. 600 = (P*R*N)/100 = (600 * X * 3) / 100 = 18 X Total SI = Rs. 19020 X + 18 X = 190 38 X = 190 X = 190 / 38 = 5 Rate is 5 % Solution provided by AtoZmath.com Any wrong solution, solution improvement, feedback then Submit Here Want to know about AtoZmath.com and me