Sequences and Series MCQ Questions for Class 11 Math’s Chapter 9 with Answers

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MCQ Questions for Class 11 Mathematics Chapter wise with Answers


Q1. If 2/3, k, 5/8 are in AP then the value of k is

(i) 31/24
(ii) 31/48
(iii) 24/31
(iv) 48/31

(ii) 31/48


Q2. The sum of odd integers from 1 to 2001 is

(i) 10201
(ii) 102001
(iii) 100201
(iv) 1002001

(iv) 1002001


Q3. If a, b, c are in GP then log aⁿ, log bⁿ, log cⁿ are in

(i) AP
(ii) GP
(iii) Either in AP or in GP
(iv) Neither in AP nor in GP

(i) AP


Q4. If a, b, c are in AP then

(i) b = a + c
(ii) 2b = a + c
(iii) b² = a + c
(iv) 2b² = a + c

(ii) 2b = a + c


Q5. The sum of 11 terms of an A.P. whose middle term is 30,

(i) 320
(ii) 330
(iii) 340
(iv) 350

(ii) 330


Q6. The series ( √2 +1),1,( √2 -1) … is in :

(i) A.P.
(ii) G.P.
(iii) H.P.
(iv) none of these

(ii) G.P.


Q7. 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

(i) 1
(ii) 2
(iii) 3
(iv) 4

(iii) 3


Q8. Complete 2,3,5,7, __

(i) 8
(ii) 9
(iii) 10
(iv) 11

(iv) 11


Q9. 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

(i) 10
(ii) 12
(iii) 11
(iv) 13

(iii) 11


Q10. An example of geometric series is

(i) 9, 20, 21, 28
(ii) 1, 2, 4, 8
(iii) 1, 2, 3, 4
(iv) 3, 5, 7, 9

(ii) 1, 2, 4, 8


Q11. If tn denotes the n th term of the series 2 + 3 + 6 + 11 + 18 + … then t50 is

(i) 492 – 1
(ii) 492
(iii) 502 + 1
(iv) 492 + 2

(iv) 492 + 2


Q12. The sum of n terms of the series (1/1.2) + (1/2.3) + (1/3.4) + …… is

(i) n/(n+1)
(ii) 1/(n+1)
(iii) 1/n
(iv) None of these

(i) n/(n+1)


Q13. The 35th partial sum of the arithmetic sequence with terms an = n/2 + 1

(i) 240
(ii) 280
(iii) 330
(iv) 350

(iv) 350


Q14. Three numbers form an increasing G.P. If the middle number is doubled, then the new numbers are in A.P. The common ratio of the G.P. is:

(i) 2 – √3
(ii) 2 +√3
(iii) √3 – 2
(iv) 3+ √2

(ii) 2 +√3


Q15. Let Tr be the rth term of an A.P. whose first term is a and the common difference is d. If for some positive integers m, n, m ≠ n, T m = 1/n and T n = 1/m then (a-d) equals to

(i) 0
(ii) 1
(iii) 1/mn
(iv) 1/m + 1/n

(i) 0


We hope the given NCERT MCQ Questions for Class 11 Mathematics book Chapter 9 Sequences and Series with Answers PDF Free Download solution will definitely help you to achieve perfect score. If you have any queries related to CBSE Class 11 Mathematics book Chapter 9 Sequences and Series with Answers book MCQs Multiple Choice Questions with Answers, drop your questions below and will get back to you in no time.


MCQ Questions for Class 11 Mathematics Chapter wise with Answers


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