[" A sum of money at a simple rate of interest "i_(1)" ,doubles in "5" years.At "],[" another simple rate of interest "i_(2)" it becomes three times in "12" years."],[" Then,the two rates of interest "i_(1)" and "i_(2)" respectively are "]

A sum of money at a simple rate of interest i_(1) doubles in 5 years.At another simple rate of interest i_(2), it becomes three xx in 12 years. Then,the two rates of interest i_(1) and i_(2) respectively are 10%,16(2)/(3)% (b) 10%,120% (c) 20%,116(2)/(3)% (d) 20%,130%

If a sum of money at a certain rate of simple interest per year doubles in 5 years and at a different rate of simple interest per year becomes three times in 12 years, then the difference in the two rates of simple interest per year is

If a sum of money at simple interest doubles in 12 years, the rate of interest per annum is

At simple interest s sum become 49/40 itself in 2.1/2 years. The rate of interest per annum is

The rate of simple interest at which a sum of money becomes three times in 25 years is :

A sum of money lent at simple interest amounts to Rs 3224 in 2 years and Rs 4160 in 5 years.Find sum and the rate of interest.

A sum of money, lent out at simple interest, doubles itself in 8 years. Find : (i) the rate of interest. (ii) In how many years will the sum become triple (three times) of itself at the same rate percent ?

A sum of money at the simple interest amounts to ₹5852 in 3 years and ₹7788 in 7 years. What is the rate of interest per annum?