Question

What is the ratio of simple interest earned by a certain amount at the same rate of interest for 5 years and that for 15 years

Guys please explain with steps.... Please​​​​​

Answer 1

Answer:

1:3 Ans

Step-by-step explanation:

Let Principal Be 100 and rate = r%

then

100×r×5/100 : 100×r×15/100

=> 5r : 15r

=> 1 : 3 [Ans]