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Subjects

Mathematics

Arithmetic Progression

समांतर श्रेणी

Arithmetic Progression for Class 9 Mathematics introduces a sequence in which consecutive terms change by a constant common difference. Students learn to recognise the pattern, identify the first term and common difference, generate further terms, and use the nth-term rule to find a required term. As part of Sequences and Progressions, the topic builds clear reasoning through number patterns, tables, and simple problems, helping learners connect a general rule with specific values and explain their steps accurately.

Practice questions

What is the sum of the first (12) terms of the arithmetic progression (7,14,21,28,\ldots)?If (a_n=39-5n), which is the first negative term?If in an arithmetic progression (a_4+a_{10}=96), what is (a_7)?If (a_1=14) and (d=6), what is the value of (a_5+a_{11})?In the arithmetic progression (16,23,30,\ldots), what is the value of (a_{12}+a_4)?If an arithmetic progression has (a_6=29) and (a_{11}=64), what is (a_{15})?If in an arithmetic progression (a_3+a_{11}=92) and the common difference is (d=6), what is the first term (a_1)?In an arithmetic sequence, a₄ = 21 and a₁₀ = 57. What is its nth term?