A reduction of 15% 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
A) 12 B) 16 C) 24 D) 28 E) 32

Rationale: "800 * ( 15 / 100 ) = 120 - - - - 5 ? - - - - 1 = > rs . 24 answer : c"
Answer: C