Maths

Mr das wants to invest ₹12000 in public provident fund and in national bomds. He has to invest at least ₹1000 in PPF and at least ₹2000 in bonds. If the rate of interest on PPF is 12% per annum and that on bomds is 15% per annum,how should he invest the money to earn maximum annual income?also find the maximum annual income

Sakshi Pokhriyal

June 2, 2019, 11:51 p.m.

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