A reduction of 40% in the price of oil enables a house wife to obtain 5kgs more for Rs.800, what is the reduced price for kg?  Choose one
A) 80  B) 72  C) 64  D) 56  E) 48
800*(40/100)= 
<gadget id="calculator">800*(40/100)</gadget>
<output>320</output>
320 ---- 5   ? ---- 1=&gt; Rs.64   Answer: 64
<result>C</result>
A reduction of 40% in the price of oil enables a house wife to obtain 5kgs more for Rs.800, what is the reduced price for kg?