A shopkeeper sold an book offering a discount of 5% and earned a profit of 42.5%. What would have been the percentage of profit earned if no discount was offered?  Pick.
A) 140	B) 120	C) 130	D) 110	E) 150
Let C.P. be $100.   Then, S.P. = $142.50   Let marked price be $x. Then, 95/100 x = 142.5   x = 14250/95= 
<gadget id="calculator">14250/95</gadget>
<output>150</output>
$150   Now, S.P.= $150, C.P. = $100   Profit % = 50%.   150
<result>E</result>
A shopkeeper sold an book offering a discount of 5% and earned a profit of 42.5%. What would have been the percentage of profit earned if no discount was offered?