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 Reena took a loan of 1200 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?

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 Reena took a loan of 1200 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?

A). 6

B). 8

C). 11

D). 17


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Answered by on | Votes 0 |

6



Let rate = R% and time = R years.
Then, (1200 x R x R)/100 = 432
12R² = 432
R² = 36
R = 6.

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