A woman buys 9 oranges for Rs. 90 and sells 8 oranges for Rs. 88. How much per cent loss or profit does she make ?

a. 8%
b. 10%
c. 12%
d. 14%

• buy 1 ornge=10
  sell 1 orange=11
  
  sp-cp=11-10=1
  g%= 1/10 * 100 = 10%
  
  
  
  
  
  
• 12 years agoHelpfull: Yes(3) No(0)
• b.10%
  Buy Rs.10 per orange = 90/9 = 10
  sells Rs.11 per orange=88/8 = 11
  so, 10% profit.
• 12 years agoHelpfull: Yes(0) No(1)