WAEC Further Mathematics 2024 Objective — Question 32
Question 32 of 40 from the West African Examinations Council (WAEC) Further Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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32. The mean of four numbers is 5 and the mean of another three numbers is 12. Find the mean of the seven numbers.
- A. 10
- B. 9
- C. 8Correct
- D. 7
Explanation
Sum of first four numbers = 5x4=20. Sum of next three numbers = 12x3=36. Mean of all seven = (20+36)/7 = 56/7 = 8.
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