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If the arithmetic progression is (b,b+5,b+10,b+15,\ldots), what is the common difference?

Answer and explanation

Correct answer: 5

The common difference of an arithmetic progression is the difference between two consecutive terms. Here, subtracting the first term from the second gives \((b+5)-b=5\). Therefore, the common difference is 5. The value 10 is the difference between the third and first terms, not the common difference. Exam tip: To find the common difference, subtract a term from the term immediately after it.

Related tags

Arithmetic ProgressionCommon DifferenceAlgebraic SequencesClass 10 MathematicsIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)Arithmetic Progressions Ap

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