At what rate per cent per annum will Rs 4000 amount to Rs 4410 in 2 years when compounded annually?s

At what rate per cent per annum will Rs 640 amount to 774.40 in 2 years when compounded annually?

At what rate per cent per annum will Rs 5000 amount to Rs 5832 in 2 years, compounded annually?

At what rate per cent per annum will a sum of Rs 7500 amount to Rs 8427 in 2 years, compounded annually?

At what rate per cent per annum will a sum of Rs 6250 amount to Rs 7840 in 2 years, compounded annually?

At what rate per cent per annum will Rs 6,000 amount to Rs 6,615 in 2 years when interest is compounded annually ?

At what rate per cent per annum will Rs. 2304 amount to Rs. 2500 in 2 years at compound interest ?

At what rate per cent per annum will Rs. 1000 amount to Rs. 1331 in 3 years. The interest is compounded yearly

At what rate per cent per annum will a sum of Rs. 1,000 amount to Rs. 1,102.50 in 2 years at compound interest?