A reduction of 10% in the price of oil enables a house wife to obtain 5kgs more for Rs.800, what is the reduced price for kg?
Choose the correct choice from the following answers:
A) s . 42
B) s . 46
C) s . 40
D) s . 41
E) s . 16

Rationale: "800 * ( 10 / 100 ) = 80 - - - - 5 ? - - - - 1 = > rs . 16 answer : e"
Answer: E