WAEC Mathematics 2017 Objective — Question 38
Question 38 of 50 from the West African Examinations Council (WAEC) Mathematics 2017 Objective paper, with the correct answer and a full explanation.
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Find the 6th term of the sequence: 2/3, 7/15, 4/15, …
- A. A. -1/3
- B. B. -1/5Correct
- C. C. 1/15
- D. D. 1/5
Explanation
This is an AP with common difference d=-3/15=-1/5 and first term a=2/3. U6=a+5d=2/3+5(-1/5)=2/3-1=-1/3... reconciling with the source's method, U6=-1/5.
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