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
Which option is an arithmetic progression with d = 0?What is the (6)th term of the arithmetic progression (17,23,29,35,\ldots)?If (a_n=5n+3), what is the value of (a_2+a_4)?Which term of the arithmetic progression (50,45,40,35,\ldots) is (0)?In an arithmetic progression, (a=2) and (d=9). What will be (a_8)?What is the sum of the first (5) terms of the arithmetic progression (3,13,23,33,\ldots)?If (a_1=25) and (d=-5), what is (a_6)?Which arithmetic progression has (n)th term (a_n=3n+8)?In the arithmetic progression (6,15,24,33,\ldots), which term is (69)?If an arithmetic progression has (a_5=28) and (d=4), what is (a_2)?If three consecutive terms of an arithmetic progression are (x-2), (x+3), (2x-1), what is the value of (x)?What is the (20)th term of the arithmetic progression (4,4,4,4,\ldots)?If (a_n=18-2n), what is the value of (a_3+a_6)?What is the general term of the arithmetic progression (21,28,35,42,\ldots)?In an auditorium, the first row has 18 seats, and each succeeding row has 2 more seats than the previous row. How many seats will be in the 6th row?What will be the next term of the arithmetic progression (12,17,22,27,\ldots)?If an arithmetic progression has first term (6) and common difference (7), what is the second term?What is the common difference in the sequence (40,35,30,25,\ldots)?Is the sequence (6, 12, 18, 24, ...) an arithmetic progression?Why is the sequence (2,5,10,17,\ldots) not an arithmetic progression?