Multiple choice

A shopkeeper announces successive discounts of 34% and 35%. Find the equivalent percent discount.

  1. 57.1%

  2. 69%

  3. 57%

  4. 69.1%

  5. None of these
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A Correct answer
Explanation

For two successive changes of x% and y%, net change = {x + y +xy/100}%

= {- 34 – 35 + (- 34)(- 35)/100}%

=(- 69 + 11.9) % = - 57.1%

So, equivalent discount is 57.1%.

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