Question
At what rate percent of simple interest will a sum of money double itself in 20 years?
At what rate percent of simple interest will a sum of money double itself in 20 years?
Answer: Option B
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Answer : Option B
Explanation :
Let sum = x
Time = 20 years
Simple Interest = x
$MF#%\text{R = }\dfrac{100 \times \text{SI}}{\text{PT}} = \dfrac{100 \times x}{x \times 20} = \dfrac{100}{20} = 5\%$MF#%
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