JAMB Mathematics 2008 Objective — Question 6

Question 6 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2008 Objective paper, with the correct answer and a full explanation.

The cost of kerosene per liter increases from #60 to #85. What is the percentage rate of increase?

A. 42%Correct
B. 41%
C. 40%
D. 25%

Explanation

Increase in price = N(85-60) = N25. % increase = (25/60) x 100% = 41.667%, approximately 42%.

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