A reduction of 25% 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:  A) Rs.42  B) Rs.46  C) Rs.40  D) Rs.41  E) Rs.34
800*(25/100)= 
<gadget id="calculator">800*(25/100)</gadget>
<output>200</output>
200 ---- 5   ? ---- 1=&gt; Rs.40   Answer: Rs.40
<result>C</result>
A reduction of 25% in the price of oil enables a house wife to obtain 5kgs more for Rs.800, what is the reduced price for kg?