Question

a sum of money Doubles itself in 6 years at a certain rate of interest in how many years will it become four times itself at the same rate of interest​

Answer 1

Answer:

Let the rate of interest be R

Let the Sum of money be ।୦୦

A=2୦୦

: . SI=100

=>SI= (100*100)/R*6

=>100=(100*100)/R*6

=>6R=100

=>R=100/6

=>R=16.666666667