Arithmetic Aptitudes › Percentage › Question #4562
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QIf the price of an article is reduced by 30% and the sales of the article increase by 50%, what is the percentage change in the total amount of receipts?

ID: #4562 Percentage 206 views
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#4562Q ID
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PercentageTopic
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  • A 5% increase ✔ ✖
  • B 15% increase ✔ ✖
  • C 5% decrease ✔ ✖
  • D 15% decrease ✔ ✖
Correct Answer: Option A

Explanation


we can define a variable "z" as the net percent change in receipts and 
set up the following equation:

z = (x + y + xy/100)%
= (-30 + 50 + (-30 * 50)/100)%
= 5%

This equation shows that the net percent change in receipts is 5%.
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