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A sum becomes 10/9 times itself in 1 yr. Find the rate of simple interest.
- A11 1/2 %
- B11 1/9%
- C12 1/2%
- D121/9%
Answer not set
Discussion 1
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Solution
Let the sum be Rs. x,
Amount = Rs. 10x/9 , T= 1 year
S I = (Amount - sum) = Rs. (10x/9-x) = Rs. (x/9) R = ((100×SI)/(P×T))=(100×x/9×1/x)%per annum = (100/9)% per annum = 11 1/9% per annum
Let the sum be Rs. x,
Amount = Rs. 10x/9 , T= 1 year
S I = (Amount - sum) = Rs. (10x/9-x) = Rs. (x/9) R = ((100×SI)/(P×T))=(100×x/9×1/x)%per annum = (100/9)% per annum = 11 1/9% per annum