A sum fetched a total simple interest of Rs. 1000 at the rate of 10 p.c.p.a. in 4 years. What is the sum?  Choose one
A) 2500	B) 2800	C) 3500	D) 1900	E) 1500
Sol.   Principal = Rs. [100 * 1000 / 10 * 4] = Rs. [100000 / 40] = Rs. 2500.   2500nswer 2500
<result>A</result>
A sum fetched a total simple interest of Rs. 1000 at the rate of 10 p.c.p.a. in 4 years. What is the sum?