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The cost of kerosene per liter increased from N60 to N85. What is the percentage...

Mathematics
JAMB 2008

The cost of kerosene per liter increased from N60 to N85. What is the percentage rate of increase?

  • A. 42%
  • B. 41%
  • C. 40%
  • D. 25%
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Correct Answer: Option A
Explanation

N85 - N60 = N25 increase
∴percentage increase = \(\frac{25}{60}\times \frac{100}{1}\\=\frac{125}{3}\\=41.67%\\
=42%\)

There is an explanation video available below.


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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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