A shopkeeper sold an book offering a discount of 5% and earned a profit of 23.5%. What would have been the percentage of profit earned if no discount was offered? Options
A) 140
B) 120
C) 130
D) 110
E) 150
C   130%   Let C.P. be $100.   Then, S.P. = $123.50   Let marked price be $x. Then, 95/100 x = 123.50   x = 12350/95= 
<gadget id="calculator">12350/95</gadget>
<output>130</output>
$130   Now, S.P.= $130, C.P. = $100   Profit % = 30%.
<result>C</result>
A shopkeeper sold an book offering a discount of 5% and earned a profit of 23.5%. What would have been the percentage of profit earned if no discount was offered?