WAEC Mathematics 2024 Objective — Question 49
Question 49 of 50 from the West African Examinations Council (WAEC) Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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49. The fourth and eighth terms of an Arithmetic Progression are 16 and 40 respectively. Find the common difference.
- A. -6
- B. 6Correct
- C. -2
- D. 2
Explanation
T₄=a+3d=16, T₈=a+7d=40; subtracting: 4d=24 → d=6.
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