MCQ Quiz on Class 11 Maths Chapter 9 Sequences and Series with Answers

We have compiled the MCQ Questions for Class 11 Maths Chapter 9 Sequences and Series with Answers Pdf free download covering the entire syllabus for JEE and Boards. Practice MCQ Questions for Class 11 Maths with Answers on a daily basis and score well in exams. Refer to Sequences and Series Class 11 MCQs Quiz Questions with Answers here along with a detailed explanation.

Sequences and Series Class 11 MCQs Questions with Answers

MCQ Questions for Class 11 Maths Chapter 9 Sequences and Series with Answers

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1. If 2/3, k, 5/8 are in AP then the value of k is

 
 
 
 

2. For a G.P. the ratio of the 7th and the third terms is 16. The sum of 9 terms is 2555. What is the first term?

 
 
 
 

3. If the roots of the cubic equation ax3 + bx2 + cx + d = 0 are in G.P., then

 
 
 
 

4. The sum of AP 2, 5, 8, …..up to 50 terms is

 
 
 
 

5. If a is the A.M. of b and c and G1 and G2 are two GM between them then the sum of their cubes is

 
 
 
 

6.  pth term of an A.P. is q and qth term is p, its (p+ q)th term is

 
 
 
 

7. Let Tr be the r th term of an A.P., for r = 1, 2, 3, … If for some positive integers m, n, we have Tm = 1/n and Tn = 1/m, then Tm n equals

 
 
 
 

8. The first term of a GP is 1. The sum of the third term and fifth term is 90. The common ratio of GP is

 
 
 
 

9. If the third term of an A.P. is 7 and its 7 th term is 2 more than three times of its third term, then the sum of its first 20 terms is

 
 
 
 

10. If the sum of the roots of the quadratic equation ax² + bx + c = 0 is equal to the sum of the squares of their reciprocals, then a/c, b/a, c/b are in

 
 
 
 

11. If the sum of the first 2n terms of the A.P. 2, 5, 8, ….., is equal to the sum of the first n terms of the A.P. 57, 59, 61, ….., then n equals

 
 
 
 

12. The sum of two numbers is 13/6 An even number of arithmetic means are being inserted between them and their sum exceeds their number by 1. Then the number of means inserted is

 
 
 
 

13. The sum of n terms of the series (1/1.2) + (1/2.3) + (1/3.4) + …… is

 
 
 
 

14. If 1/(b + c), 1/(c + a), 1/(a + b) are in AP then

 
 
 
 

15. The 35th partial sum of the arithmetic sequence with terms an = n/2 + 1

 
 
 
 

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