" At what rate per cent per annum simple interest will a sum double ttself in "10" years? "

At what rate per cent per annum simple interest will a sum double itself in 10 years?

At what rate per cent per annum simple interest will a sum double itself in 10 years?

At what rate per cent per annum simple interest will a sum double itself in 8 years ?

At what rate per cent per annum simple interest will a sum treble itself in 16 years?

at what rate per annum simple interest will a sum double it self in 2 years?

At what rate per cent per annum simpele interest will ₹ 3625 amount to ₹ 4495 in 2 years ?

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

At what rate of interest per annum will a sum double itself in 8 years ?

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