QuestionWAECGeneral Maths2024ObjectiveSequences & series (AP, GP)Sequences & series (AP, GP)
WAEC 2024 · Paper 1 · Q49
The fourth and eighth terms of an arithmetic progression are 16 and 40 respectively. Find the common difference.
Worked solution (try it first)
From the 4th term to the 8th is 4 steps of
d.
So
4d=40−16=24.
Divide by 4:
d=6, option B.
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