2014 · Q12
A sum of money becomes 3 times in 5 years at simple interest. In how many years will the same sum become 6 times at the same rate of simple interest?
Elementary MathematicsSimple and Compound Interest
- A10 years
- B12 years
- C12.5 years
- D10.5 years
Explanation
Interest of 2P in 5 years means 5P interest takes (5/2)·5 = 12.5 years.