What is the minimum number of years upon which SI on Rs 2600 at 6.67% interest rate will be in whole number?  Pick one.
A) 2  B) 6  C) 3  D) 4  E) 5
Explanation:   Simple Interest =Principal * Rate * Time   Principal = 2600 Rs   Interest Rate = 6.67%   =&gt; SI = 2600 * (20/3)*Time   SI of the number will be a whole number for the first time when time is three as denominator of rate is 3.   Hence time should be set to 3 years.   ANSWER 3
<result>C</result>
What is the minimum number of years upon which SI on Rs 2600 at 6.67% interest rate will be in whole number?