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.75 less, he could have gained 25%. What is the cost price?  Options.
A) 197  B) 375  C) 279  D) 278  E) 268
CP1 = 100 SP1 = 120   CP2 = 80 SP2 = 80 * (125/100)= 
<gadget id="calculator">80 * (125/100)</gadget>
<output>100</output>
100   20 ----- 100   75 ----- ?=&gt; 375   Answer:375
<result>B</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.75 less, he could have gained 25%. What is the cost price?