At what rate of interest per annum, under compound interest, will Rs 5120 amount to Rs 7290 in 3 years?

At what rate percent per annum of compound interest will Rs 1600 amount to Rs 1852.20 in 3 years?

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

At what rate percent per annum compound interest will Rs 10000 amount to Rs 13310 in three years ?

At what rate per cent per annum at compound interest will the sum of Rs. 375 amount to Rs. 1029 in 3 years ?

At what rate percent per annum compound interest will Rs 10000 amount to Rs 13310 in three years?

At what rate percent per annum compound interest, with Rs 10,000 amount to Rs 13,310 in three years ?

At what rate per cent per annum simple interest will Rs. 66000 amount to Rs. 72720 in 2 years?

At what rate percent compound interest per annum will Rs 640 amount to Rs 774.40 in 2 years?