Question <p>&nbsp;If the amounts for a fixed principal after 3 and 2 years at a certain rate of compound interest are in the ratio 21 : 20. The rate of interest is-</p>

Option 1 <p>7%</p>

Option 2 <p>6%</p>

Option 3 <p>5%</p>

Option 4 <p>4%</p>

Correct Answer Option 1 Option 2 Option 3 Option 4