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Class 9 Mathematics Sequences and Progressions Arithmetic ProgressionEasy

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What is the common difference in the sequence (55,50,45,40,\ldots)?

Answer and explanation

Correct answer: (-5)

Each term decreases by (5), so the common difference is (-5). In exams, write the difference as negative for a decreasing progression.

Related tags

Sequences Progressions Arithmetic-Progression Class-9 Easy Arithmetic Progression Sequences And Progressions Mathematics

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