The simple interest on a sum of money is 1/9 of the principal and the number of years is equal to the rate % p.a. The rate % p.a. is ?
Answers
Answered by
97
Let the principal be x
SI = x/9
Let Rate = r%
Time = r years (since time is same as rate)
SI = P.R.T/100
x/9 = x.r.r/100
r² = 100/9
r = √100/9
r = 10/3 %
Answered by
38
We can take the value of principal as x, so SI is equals to x/9.
We can take the interest rate as r%.
The total time duration is r years.
We need to calculate the percentage based on the sum of money.
SI = P.R.T/100
x/9 = x.r.r/100
r² = 100/9
r = √100/9
r = 10/3 %
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