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The sequence (11,22,33,44,\ldots) has common difference (11). What type of sequence is it?

Answer and explanation

Correct answer: Arithmetic progression

The consecutive differences are \(22-11=11\), \(33-22=11\), and \(44-33=11\). Since the difference between every pair of consecutive terms is constant, the sequence is an arithmetic progression. A geometric progression requires a constant ratio between consecutive terms, which is not the case here. Exam tip: To identify an AP, check whether two or three consecutive differences are equal.

Related tags

Arithmetic ProgressionCommon DifferenceSequence ClassificationClass 10 MathematicsAp IntroductionIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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