A man buys an article and sells it at a profit of 20%. If he had bought it at 20% less and sold it for Rs.85 less, he could have gained 25%. What is the cost price? Choose the correct choice from the following answers
A) 372  B) 375  C) 278  D) 425  E) 288
CP1 = 100 SP1 = 120   CP2 = 80 SP2 = 80 * (125/100)= 
<gadget id="calculator">80 * (125/100)</gadget>
<output>100</output>
100   20 ----- 100   85 ----- ?=&gt; 425   Answer:425
<result>D</result>
A man buys an article and sells it at a profit of 20%. If he had bought it at 20% less and sold it for Rs.85 less, he could have gained 25%. What is the cost price?