JAMB Mathematics 2017 Objective — Question 30
Question 30 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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If P varies inversely as the square of q and p=4 when q=5, find p when q=2.
- A. A. 32
- B. B. 12
- C. C. 16
- D. D. 25Correct
Explanation
p=k/q²; k=pq²=4x25=100. When q=2, p=100/4=25.
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