WAEC Mathematics 2014 Objective — Question 16
Question 16 of 50 from the West African Examinations Council (WAEC) Mathematics 2014 Objective paper, with the correct answer and a full explanation.
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If x varies inversely as y and y varies directly as z, what is the relationship between x and z?
- A. x∝z
- B. x∝1/zCorrect
- C. x∝z²
- D. x∝1/z²
Explanation
x∝1/y and y∝z, so substituting gives x∝1/z.
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