A reduction of 20% in the price of oil enables a house wife to obtain 4kgs more for Rs.684, what is the reduced price for kg?
Choose the correct choice
A) 72	B) 27	C) 34	D) 28	E) 20
684*(20/100) = 136 ---- 4   ? ---- 1 =&gt; Rs.34   Answer:34
<result>C</result>
A reduction of 20% in the price of oil enables a house wife to obtain 4kgs more for Rs.684, what is the reduced price for kg?