Question

Reena took a loan of 1,200 with simple interest for as many years as the rate of
interest. If she paid 432 as interest at the end of the loan period, what was the rate
of interest?
(1) 3.6
(2) 6
3)
18
(4) 10​

Answer 1

Hi

Let rate =R% and time =R years

Then, (
100
1200×R×R
​
)=432

12R
2
=432

R
2
=36

R=

Answer 2

Answer:

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