alleryWhich of the following sequences is an arithmetic progression?
A1, 4, 9, 16, …
B2, 4, 8, 16, …
C1, 2, 6, 24, …
D2, 4, 6, 8, …
Answer & Solution
Correct answer: D. 2, 4, 6, 8, …
2,4,6,8 has a constant difference of 2, so it is an AP (the others are GP/quadratic/factorial).
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