What is the rate percent when the simple interest on Rs.910 amount to Rs.260 in 4 Years?  Choose the correct choice: A) 7.14 B) 6.14 C) 5.14 D) 3.14 E) 2.14

Rationale: "260 = ( 910 * 4 * r ) / 100 r = 7.14 % answer : a"
Answer: A