Oranges are bought at 7 for Rs.2. At what rate per hundred must they be sold to gain 33%? Pick:
A) 27
B) 38
C) 39
D) 44
E) 55
7 oranges bought for rs 2   1 orange cost =2/7   therefore for 100 oranges =100*(2/7)   gain =33%    200/7+(33/100)*200/7= 
<gadget id="calculator"> 200/7+(33/100)*200/7</gadget>
<output>38</output>
rate per hundred he want to sell   ans :38   ANSWER:38
<result>B</result>
Oranges are bought at 7 for Rs.2. At what rate per hundred must they be sold to gain 33%?