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 the sequence (6,10,14,18,\ldots), which term is (26)?If an arithmetic progression has (a_1=11) and (a_2=19), what is the common difference?What is the next term of the arithmetic progression (22, 29, 36, 43, ...)?What is the fifth term in the arithmetic progression (120,110,100,90,\ldots)?If (y,,y+6,,y+12,\ldots) is an arithmetic progression, what is the common difference?What is the common difference in the arithmetic progression (8,8,8,8,\ldots)?If (a=12) and (d=0), what are the first three terms?What is the missing term in the arithmetic progression (3,\Box,15,21,\ldots)?If (a_n=7n-1), what is the common difference of this arithmetic progression?What is (a_6) of the arithmetic progression (16,20,24,28,\ldots)?Which of the following number sequences is an arithmetic progression?In an auditorium, the first row has 12 seats, and each successive row has 3 more seats than the previous row. How many seats will be in the seventh row?What is the tenth term of the arithmetic progression (9, 18, 27, 36, ...)?If (a_n=15-3n), what is the value of (a_4)?What is the general term of the arithmetic progression (12,9,6,3,\ldots)?If (8,,x,,20) is an arithmetic progression, what is the value of (x)?What will be the seventh term in the arithmetic progression (20,26,32,38,\ldots)?Which arithmetic progression has first term (9) and common difference (5)?If (a=11) and (d=6), what will be the sixth term of the arithmetic progression?What is the common difference in the sequence (14,20,26,32,\ldots)?