Find the sum which will yield an interest of Rs.910 in 2 1/2 years at 7% p/a simple interest.
Choose the correct choice from the following:	A) Rs.3200	B) Rs.4200	C) Rs.6200	D) Rs.5200	E) Rs.7200
70 = (P*4*7/2)/100   P = (910x100x2)/(5x7)=Rs.5200   Answer: Rs.5200
<result>D</result>
Find the sum which will yield an interest of Rs.910 in 2 1/2 years at 7% p/a simple interest.