Student: In how many years does a sum of Rs. 5000 yield a simple interest of Rs. 16500 at 15% p.a.?
Options:
(A) 22
(B) 20
(C) 25
(D) 30
(E) 35.
Another student: Let's say, hmmm...
T = (100 * 16500)/(15 * 5000) = 22 years Final answer: (A).