What should be the least number of years in which the simple interest on ₹ 2600 at $6 \frac{2}{3} \%$ will be an exact number of rupees ?
(a)2 years
(b)3 years
(c)4 years
(d)5 years
Answer
Answer (as printed): B
Explanation
S.I. $=₹\left(2600 \times \frac{20}{3} \times \frac{1}{100} \times T\right)=₹\left(\frac{520}{3} \times T\right)$. which is an exact number of rupees when $T=3$ years.
Explanation as extracted from the printed page; notation may be imperfect.