Rs.2500 is divided into two parts such that if one part be put out at 5% simple interest and the other at 6%, the yearly annual income may be Rs.125. How much was lent at 5%? Select:
A) 2333  B) 2777  C) 2688  D) 1000  E) 2500

Rationale: "( x * 5 * 1 ) / 100 + [ ( 2500 - x ) * 6 * 1 ] / 100 = 125 x = 2500 answer : e"
Answer: E