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
In an arithmetic progression, (a_1=17) and (a_6=47). What is the common difference?If (a_n=55-5n), what is the common difference of this arithmetic progression?If the first term of an arithmetic progression is (21) and the fourth term is (36), what is the common difference?What is the (10)th term of the arithmetic progression (4,13,22,31,\ldots)?If (a_2=18) and (d=6), what is (a_1)?What will be the (12)th term of the arithmetic progression (60,54,48,42,\ldots)?Which arithmetic progression has first term (12) and common difference (-4)?If (a_n=6n-1), what is the first term?What is the sum of the first (4) terms of the arithmetic progression (12,20,28,36,\ldots)?If (a=34) and (d=-7), what will (a_6) be?If an arithmetic progression has (a_4=25) and (a_8=49), what is the common difference?If (a_n=8n+5), what is (a_2+a_5)?If the sixth term of an arithmetic progression is 41 and the common difference is 5, what is the first term?What is the common difference of the arithmetic progression (12,12,12,12,\ldots)?What is the (n)th term of the arithmetic progression (22,29,36,43,\ldots)?If an arithmetic progression has (a_5=33) and (d=4), what will be (a_{10})?Which option has the first four terms of the arithmetic progression with (a=20) and (d=-5)?If three consecutive terms of an arithmetic progression are (x+1), (2x), (3x-5), what is the value of (x)?What is the first negative term of the arithmetic progression (38,33,28,23,\ldots)?If (a_n=17-3n), what is the fourth term of this arithmetic progression?