A reduction of 30% in the price of oil enables a house wife to obtain 9 kgs more for Rs.1800, what is the reduced price for kg?	Choose one
A) Rs.55  B) Rs.60  C) Rs.65  D) Rs.70  E) Rs.75
Explanation:   1800*(30/100)= 
<gadget id="calculator">1800*(30/100)</gadget>
<output>540</output>
540 ---- 9   ? ---- 1=&gt; Rs.60   Answer: Rs.60
<result>B</result>
A reduction of 30% in the price of oil enables a house wife to obtain 9 kgs more for Rs.1800, what is the reduced price for kg?