WAEC Mathematics 2015 Objective — Question 5
Question 5 of 50 from the West African Examinations Council (WAEC) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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Find the 7th term of the sequence: 2, 5, 10, 17, 26, ...
- A. 37
- B. 48
- C. 50Correct
- D. 63
Explanation
The nth term follows U_n = n²+1 (checked against given terms). For n=7: U_7 = 7²+1 = 50.
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