Page 1 - CBQ-CHAPTER-5-AP

SAI International School

Class : X

Mathematics

Competency Based Questions

Ch-5 Arithmetic Progression

1
If pth term of an A.P. is and qth term is then the sum of pq terms is

2 If the sum of p terms of an A.P. is q and the sum of q terms is p, then the sum of (p + q) terms
will be
(a) p + q (b) –(p + q) (c) p – q (d) 0

3
If pth term of an A.P. is then sum of first n terms of A.P. is

4 If nth terms of the APs 63, 65, 67, ... and 3, 10, 17, ... are equal, then n is
(a) 27 (b) 23 (c) 15 (d) 13

5 If the first, second and last term of an A.P. are a, b and 2a respectively, its sum is

6

7

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