Question

A principal amount is invested at an annual simple

Q: Answer-A principal amount is invested at an annual simple interest rate of R%, growing to Rs. 9,500 over 5...

Simple interest for 4 years 13100 9500 3600 Simple interest for 1 year 36004 Rs. 900 Principal amount 9500 5 900 Rs. 5000 So, R 90050000 100 18 Desired interest 5000 0.25 2 Rs. 2500 Hence, option b.

interest rate of R%, growing to Rs. 9,500 over 5 years and Rs. 13,100 over 9 years. Calculate the total interest earned if this principal is invested at an increased rate of (R + 7)% per annum for 2 years.

A Rs. 2000

B Rs. 2500

C Rs. 3000

D Rs. 1500

E None of these

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