If goods be purchased for Rs.840 and one-fourth be sold at a loss of 20% at what gain percent should the remainder be sold so as to gain 20% on the whole transaction?
Select the correct option:
A) 33 1/7%
B) 33 1/6%
C) 33 1/3%
D) 33 1/4%
E) 33 5/3%
1/4 33 1/3%P = 210 SP = 21*(80/100) = 168   SP = 840*(120/100)= 
<gadget id="calculator">840*(120/100)</gadget>
<output>1_008</output>
1008   1008 - 168= 
<gadget id="calculator">1008 - 168</gadget>
<output>840</output>
840   3/4 SP= 630   Gain = 210   630 --- 210   100 --- ? =&gt; 33 1/3%   Answer: 33 1/3%
<result>C</result>
If goods be purchased for Rs.840 and one-fourth be sold at a loss of 20% at what gain percent should the remainder be sold so as to gain 20% on the whole transaction?