Arithmeticmedium · Past Paper
The simple interest on a sum is 1/9 of the principal. If the number of years is equal to the rate percent, find the rate.
A3%
B3 1/3 %
C10%
D9%
✓ Correct Answer: B — 3 1/3 %
P/9 = (P * R * R) / 100 => R^2 = 100/9 => R = 10/3 = 3.33%.
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