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
If (a_n=25-3n), which is the first negative term?If in an arithmetic progression (a_2+a_6=40), what is (a_4)?Which option can be three consecutive terms of an arithmetic progression?If (a_1=9) and (d=4), what is the value of (a_3+a_9)?In an arithmetic progression, a_5 = 30 and d = 7. What is a_1?In the arithmetic progression (8,15,22,\ldots), what is the value of (a_{10}+a_2)?If an arithmetic progression has (a_4=18) and (a_9=48), what is (a_{12})?If \(p, q, r\), in this order, are three consecutive terms of an arithmetic progression, which of the following relation is always true?What is the tenth term of the arithmetic progression (96,88,80,72,\ldots)?If (a_n=7n-5), which term will be (121)?In an arithmetic progression, the first term is (18) and the sixteenth term is (93), what is the common difference?If (10,x,34) are in arithmetic progression, what is the value of (x)?If (a_4=29) and (d=6), what is the first term (a)?What is the general term of the arithmetic progression (31,26,21,16,\ldots)?For an arithmetic progression with (a=12) and (a_7=54), what is (d)?In the arithmetic progression (3,11,19,27,\ldots), which term is (83)?If (a=17) and (d=-4), what is the value of (a_8)?If three numbers \(p, q, r\), in this order, are consecutive terms of an arithmetic progression, which relation is correct?What is the sum of the first (18) terms of the arithmetic progression (2,6,10,14,\ldots)?In an arithmetic progression, (a_5=28) and (a_9=56), what is (d)?