A sells a bike to B at a profit of 20%. B sells it to C at a profit of 25%. If C pays Rs. 225 for it, the cost price of the bike for A is: Pick one:  A) 150  B) 230  C) 120  D) 430  E) 200
150   125% of 120% of 150 = 225   125/100 * 120/100 * 150= 
<gadget id="calculator">125/100 * 120/100 * 150</gadget>
<output>225</output>
225   150= 225 * 2/3= 
<gadget id="calculator">225 * 2/3</gadget>
<output>150</output>
150.
<result>A</result>
A sells a bike to B at a profit of 20%. B sells it to C at a profit of 25%. If C pays Rs. 225 for it, the cost price of the bike for A is: