Arithmeticmedium · Past Paper
If the ratio of principal and simple interest for 5 years is 10:3, find the rate of interest.
A5%
B6%
C8%
D10%
✓ Correct Answer: B — 6%
Let P = 10x, SI = 3x. 3x = (10x*5*R)/100 => 3 = 50R/100 => 3 = R/2 => R = 6%.
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