NCERT Exemplar Class 10 Maths Unit 5 Arithmetic Progressions

Candidates can download NCERT Exemplar Class 10 Maths Unit 5 from this page. The exemplar has been provided by the National Council of Educational Research & Training (NCERT) and the candidates can check it from below for free of cost. It contains objective, very short answer type, short answer type, and long answer type questions. Along with it, the answer for each question has also been provided. From the NCERT Exemplar Class 10 Maths Unit 5, candidates can understand the level and type of questions that are asked in the exam.

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NCERT Exemplar Class 10 Maths Unit 5 Arithmetic Progressions

NCERT Class 10 Maths Unit 5 is for Arithmetic Progressions. The type of questions that will be asked from NCERT Class 10 Maths Unit 5 are displayed in the below provided NCERT Exemplar Class 10 Maths Unit 5. With the help of it, candidates can prepare well for the examination.

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(A) Main Concepts and Results

An arithmetic progression (AP) is a list of numbers in which each term is obtained by adding a fixed number d to the preceding term, except the first term a. The fixed number d is called its common difference. The general form of an AP is a, a + d, a + 2d, a + 3d,…
In the list of numbers a₁ , a₂ , a₃ ,… if the differences a₂ – a₁ , a₃ – a₂ , a₄ – a₃ ,… give the same value, i.e., if a_k+1 – a_k is the same for different values of k, then the given list of numbers is an AP.
The nth term a_n (or the general term) of an AP is a_n = a + (n – 1) d, where a is the first term and d is the common difference. Note that a₁ = a .
The sum S_n of the first n terms of an AP is given by