Question

The simple interest on a sum of money is 4/9 of the principal and the number of years is equal to rate percent per annum
What is the rate percent per annum?
Ans 1 . RS 144
Ans 2. RS 20/3

Answer 1

P =RS x

S.I=4/9x

4/9x=x *R*T/100

R*T=4*100/9

here,rate and time both are equal

R*R=4*100/9

R^2=400/9

R=20/3%

I hope this will help you

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Answer 2

Answer:

20/3%

hope it helps you friends