100 oranges are bought at the rate of Rs. 350 and sold at the rate of 48 per dozen. The percentage of profit is
Choose the correct answer.
A) 12 2/7% B) 13 2/7% C) 14 2/7% D) 15 2/7% E) 16 2/7%
Explanation:   So before solving this question we will get the C.P. and S.P. of 1 article to get the gain percent.   C.P. of 1 orange = 350/100= 
<gadget id="calculator">350/100</gadget>
<output>7/2 = around 3.5</output>
Rs 3.50   S.P. of one orange= 48/12= 
<gadget id="calculator">48/12</gadget>
<output>4</output>
Rs 4 [note: divided by 12 as 1 dozen contains 12 items]   Gain= 4 - 3.50= 
<gadget id="calculator">4 - 3.50</gadget>
<output>0.5</output>
Rs 0.50   Gain%=0.50/ 3.50∗100=100 /7%=14 2/7%   Option 14 2/7%
<result>C</result>
100 oranges are bought at the rate of Rs. 350 and sold at the rate of 48 per dozen. The percentage of profit is