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Class 10 Mathematics Arithmetic Progressions (AP)Introduction to APs and common difference.Hard

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Which sequence has a negative common difference and all consecutive differences equal?

Answer and explanation

Correct answer: (20, 16, 12, 8)

In (20,16,12,8), (4) is subtracted each time, so (d=-4). Do not just see decreasing order; check equal differences too.

Related tags

Arithmetic Progression Common Difference Class 10 Introduction To Aps And Common Difference.Introduction To Aps And Common Difference Arithmetic Progressions (Ap)Arithmetic Progressions Ap Mathematics

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