A reduction of 15% in the price of oil enables a house wife to obtain 4kgs more for Rs.1200, what is the reduced price for kg?	Answers.
A) 43
B) 55
C) 35
D) 45
E) 40
1200*(15/100)= 
<gadget id="calculator">1200*(15/100)</gadget>
<output>180</output>
180 ---- 4   ? ---- 1=&gt; Rs.45   Answer:45
<result>D</result>
A reduction of 15% in the price of oil enables a house wife to obtain 4kgs more for Rs.1200, what is the reduced price for kg?