JAMB and WAEC Mathematics questions: Variation

42 questions with answers and explanations. Tap an option to check yourself.

1. Question 41· Variation· WAEC

   P varies inversely as V, and P = 9 when V = 4. Find V when P = 12.

   • A16/3
   • B27
   • C3
   • D48

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   Explanation and discussion

2. Question 42· Variation· WAEC

   y varies directly as x, and y = 15 when x = 6. Find y when x = 10.

   • A9
   • B36
   • C25
   • D20

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   Explanation and discussion