Oranges are bought at 7 for Rs.3. At what rate per hundred must they be sold to gain 33%? Choose the correct option.
A) 57  B) 58  C) 59  D) 54  E) 55
7 oranges bought for rs 3   1 orange cost =3/7   therefore for 100 oranges =100*(3/7)   gain =33%    300/7+(33/100)*300/7= 
<gadget id="calculator"> 300/7+(33/100)*300/7</gadget>
<output>57</output>
rate per hundred he want to sell   ans :57   57NSWER:57
<result>A</result>
Oranges are bought at 7 for Rs.3. At what rate per hundred must they be sold to gain 33%?