Arithmetic Progressions: Class 10 Mathematics (गणित) (Bihar Board) important questions and practice
Arithmetic Progressions is chapter 5 of 14 in Bihar Board Class 10 Mathematics (गणित). Below are the topics the paper draws from, the question types that come up again and again, and a free practice test on this chapter alone.
Topics in this chapter
- Definition of AP, first term and common difference
- nth term formula a_n = a + (n-1)d
- Sum of first n terms S_n
- Finding the number of terms and the middle term
- Word problems on savings, salaries and stacked objects
What examiners usually ask
- Find the 20th term of the AP 3, 8, 13, ...
- Which term of the AP 21, 18, 15, ... is -81?
- The sum of the first 7 terms of an AP is 49 and of the first 17 terms is 289; find the sum of the first n terms
Exam tip
Problems that give two sums or two terms reduce to two linear equations in a and d; also remember a_n = S_n - S_(n-1), which solves 'find the nth term when S_n is given' questions in one line.
Arithmetic Progressions on other boards and exams
Frequently asked questions
What are the important questions from Arithmetic Progressions for Bihar Board Class 10?
The question types listed above repeat most often in Bihar Board Class 10 Mathematics (गणित) papers for this chapter. Practise them with the chapter test and then attempt them inside a full previous-year paper under time.
Is Arithmetic Progressions in the Bihar Board Class 10 Mathematics (गणित) syllabus?
Yes. Arithmetic Progressions is part of the current Bihar Board Class 10 Mathematics (गणित) syllabus, as listed on this site from the prescribed textbook.
Can I practise Arithmetic Progressions MCQs in Hindi?
Yes. The chapter test and explanations are available in Hindi and English, with an AI doubt solver for any question.