What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?
Let the principal be P and rate of interest be R%.
Required ratio =
P x R x 6
100
=
6PR
=
6
= 2 : 3.
P x R x 9
100
9PR
9
Video Explanation: https://youtu.be/GaaEDwTWc6w
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