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Q:

While purchasing one item costing Rs.400, one has to pay sales tax at 7 % and on another costing Rs. 6400, the sales tax was 9%. The percentage of sales tax one has to pay, taking these items together on an average is: 

  • 1
    $$8{1\over 2}$$
  • 2
    $$8{11\over 17}$$
  • 3
    $$8{13\over 17}$$
  • 4
    $$8{15\over 17}$$
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Answer : 4. " $$8{15\over 17}$$ "

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