A reduction of 25% in the price of oil enables a house wife to obtain 5kgs more for Rs.1100, what is the reduced price for kg?
Choose the correct choice from the following choices
A) s . 40 B) s . 46 C) s . 55 D) s . 41 E) s . 42

Rationale: "800 * ( 25 / 100 ) = 275 - - - - 5 ? - - - - 1 = > rs . 55 answer : c"
Answer: C