Oranges are bought at 7 for Rs.4.50. At what rate per hundred must they be sold to gain 33%?	Choose the correct option
A) 57.5  B) 85.5  C) 89.5  D) 94.5  E) 95.0
7 oranges bought for rs 4.5   1 orange cost =4.5/7   therefore for 100 oranges =100*(4.5/7)   gain =33%    450/7+(33/100)*450/7= 
<gadget id="calculator"> 450/7+(33/100)*450/7</gadget>
<output>171/2 = around 85.5</output>
rate per hundred he want to sell   ans :85.50   ANSWER:85.5
<result>B</result>
Oranges are bought at 7 for Rs.4.50. At what rate per hundred must they be sold to gain 33%?