waec model questions vol6 2024 mathematics

Objective • Question 20

Question 20 WAEC_MODEL_QUESTIONS_VOL6 • 2024
The nth term of a sequence is given by tₙ = 3n - 2. Find the smallest positive integer n for which the sum of the first n terms equals 210.
Answer Options
Correct Answer A. 12
B. 15
C. 10
D. 13
Correct Answer
A
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