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What is the value of (d) in the sequence (14,11,8,5,\ldots)?

Answer and explanation

Correct answer: -3

The common difference of an arithmetic progression is the difference between two consecutive terms. Thus, \(d=11-14=-3\). This is verified by \(8-11=-3\) and \(5-8=-3\). Therefore, -3 is correct. Option A results from missing the negative sign. Exam tip: calculate the common difference as the second term minus the first term.

Related tags

Arithmetic ProgressionCommon DifferenceSequenceNegative DifferenceClass 10Introduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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