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NECO Mathematics 2007 Objective — Question 14

Question 14 of 60 from the National Examinations Council (NECO) Mathematics 2007 Objective paper, with the correct answer and a full explanation.

If P is directly proportional to Q and inversely proportional to R, find the equation connecting P, Q and R.

A. K=P/QR
B. K=PR/QCorrect
C. K=QR/P

Explanation

P = kQ/R, so k = PR/Q.

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