Correct Answer - Option 2 : 2 years
Formula used:
Simple Interest = PTR/100
Calculation:
Let the sum of money be 'x'
Interest = x/25
Simple Interest = PTR/100
Here R = T
SI = PR2/100
⇒ x/25 = x × R2/100
⇒ R2 = 4
⇒ R = 2
∴ The number of years is 2 years