A man sells an article at a profit of 25%. If he had bought it at 20% less and sold it for Rs.14.70 less, he would have gained 30%. Find the cost of the article. Choose the correct choice.
A) 30
B) 40
C) 50
D) 60
E) 70
Let C.P=100   Gain=25%   S.P=125   Supposed C.P=80   Gain=30%   S.P=(130*80)/100= 
<gadget id="calculator">(130*80)/100</gadget>
<output>104</output>
104   Diff=(125-104)= 
<gadget id="calculator">(125-104)</gadget>
<output>21</output>
21   Diff 21 when C.P=100   then Diff 14.70 when C.P=(100*14.70)/21= 
<gadget id="calculator">(100*14.70)/21</gadget>
<output>70</output>
70   ANSW70R:70
<result>E</result>
A man sells an article at a profit of 25%. If he had bought it at 20% less and sold it for Rs.14.70 less, he would have gained 30%. Find the cost of the article.