Question

A certain sum amount to rupee2970.25in two years at 9%per annum compounded.annualy be rupee 3101.40

Answer 1

Amount (A) = Rs 2970.25 

Conversion of time period (n) = 2 years

Rate of interest (R) = 9% per annum



Thus, the sum was Rs 2500.

Que 3:

Conversion of time period (n) = 3 years

Rate of interest (R) = 15/2% per annum

Compound interest = Rs 3101.40



Thus, the sum was Rs 12800.

Que 4:

Conversion of time period (n) = 2 years

Rate of interest (R) = ?

Amount (A) = Rs 774.40

Principal (P) = Rs 640



Thus, the rate was 10% per annum

Answer 2

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