What amount does Kiran get if he invests Rs. 18000 at 15% p.a. simple interest for four years?	Pick:
A) Rs. 24800	B) Rs. 28400	C) Rs. 24400	D) Rs. 28800	E) None of these
Explanation:   Simple interest = (18000 * 4 * 15)/100 = Rs. 10800   Amount = P + I = 18000 + 10800 = Rs. 28800   ANSWER IS Rs. 28800
<result>D</result>
What amount does Kiran get if he invests Rs. 18000 at 15% p.a. simple interest for four years?