A person invests a certain sum at simple interest, and after one year, the amount becomes 13 times the principal. If the rate of interest per annum is...

Question

A person invests a certain sum at simple interest, and after one year, the amount becomes 13 times the principal. If the rate of interest per annum is numerically three times the time period in years, what is the rate of interest?

Options

A.

20%20%

B.

50%50%

C.

40%40%

D.

60%60%

simple interestrate of interesttimebanking exam

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