Question

The interest on rs 200 for 1 year is rs 15.
Plot interest for different annual periods

Answer 1

sorry, no graphs here.
But you can find may examples online.

Answer 2

Okay

Can you just confirm me following points
I mean we just need to assume
Principal=rs100, r=7.5%pa and time 1 year
Then find simple interest= rs 7.5


Then all values except time is same and then we need to plot a graph

Answer 3

correct