Arithmetichard · Past Paper
The SI on a sum is 16/25 of the principal. Find the rate if the rate and time are numerically equal.
A6%
B8%
C10%
D12%
✓ Correct Answer: B — 8%
16/25 * P = (P * R * R) / 100 => R^2 = 1600/25 = 64 => R = 8%.
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