- A12.5
- B18.75
- C6.25
- D10
Step-by-Step Solution
Interest earned = in 16 years, i.e. 200% in 16 years ⇒ rate = 200/16 = 12.5% per annum.
Answer: A) 12.5
A sum kept at simple interest becomes three times itself in 16 years. What is the annual rate of interest (in %)?
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