General Aptitude › Percentage › Question #4557
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QIf the price of cooking oil has increased by 25%, what percentage reduction in the use of cooking oil should a family make in order to avoid increasing expenditure on this account?

ID: #4557 Percentage 186 views
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#4557Q ID
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PercentageTopic
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  • A 23% ✔ ✖
  • B 25% ✔ ✖
  • C 29% ✔ ✖
  • D 20% ✔ ✖
Correct Answer

Explanation

The reduction in consumption can be calculated by
taking the proportion of the original consumption value divided by the sum of the original consumption value and a percentage value,
and then multiplying the result by 100%.
Using the example values provided, the reduction in consumption would be calculated as follows:
Reduction in consumption = [(25/(100 + 25)] X 100)%
= [(25/125)] X 100)%
= 20%
This means that the consumption has been reduced by 20%

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