The principal at certain rate of interest doubles in 5 years by the simple interest. In how many years, the same principal with the same rate of interest becomes five times ?
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The interest will become five times in 12.5 years .
You can solve it by using method rule of three.
You can solve it by using method rule of three.
santhoshi99:
Thanks for your quick response. I too got the same answer but the answer is 20 yrs.
you do mistake spouse let principal is x The interest become 2x in 5 year and 4x in 10 years and 5x in 12.5 years. simple
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