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  1. A trader marks the sale price 25% more on cost price and gives a 10% discount at the time of selling. The gain % is
    1. 12
      1
      %
      2
    2. 12
      1
      %
      3
    3. 11
      1
      %
      2
    4. 12%
Correct Option: A

Let us assume the C.P. of article be Rs. 100.
According to question.
∴  Its marked price = Rs. 125

S.P. = Rs.
125 × 90
= Rs. 112.5
100

∴  Profit % = 12.5 %
2nd Method to solve this question.

Profit % = x + y +
xy
%
100

where x = 25%; y = –10%
Profit % = 25 − 10 −
25 × 10
%
100

Profit % = 12.5%



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