JAMB Mathematics 2017 Objective — Question 6
Question 6 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2017 Objective paper, with the correct answer and a full explanation.
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y is inversely proportional to x and y=6 when x=7. Find the constant of the variation.
- A. A. 48
- B. B. 47
- C. C. 54
- D. D. 42Correct
Explanation
y=k/x, so k=xy=7x6=42.
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