simple interest

what rate of simple interest is needed for 700rs to doubled , in 3 years
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2 Answers

I=PRT/100

doubles means I=P

700=700*R*3/100

700 cancels

1=3R/100

100=3R

3R=100

R=100/3=33  1/3 %

by Level 8 User (32.3k points)
find the time when simple interest on Rs.3.3 lakhs at 6.5% per annum is Rs.75075
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