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A dishonest grocer professes to sell pure butter at cost price, but he mixes it with adulterated fat and thereby gains 25%. Find the percentage of adulterated fat in the mixture assuming that adulterated fat is freely available.

  • Option 1)

    20%

  • Option 2)

    30%

  • Option 3)

    33.33%

  • Option 4)

    40%

  • Option 5)

    25%    

Answers (1)

best_answer

Let the adulterated fat = 0 Rs.

Butter = Rs 1

C.P of mixture = 1x 100 /125 = 4/5 Rs

=1:4 of adulterated fat = 1/5x 100 = 20%

 

Posted by

rishi.raj

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