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

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 11 Mathematics book Chapter 9 Sequences and Series with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 11 Maths Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Sequences and Series. Each Questions has four options followed by the right answer. Download the Maths Quiz Questions with Answers for Class 11 free Pdf and prepare to exam and help students understand the concept very well.

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

(iv) 1002001

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

(ii) 2b = a + c

Q3. 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.

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

(iv) 11

Q5. 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

Q6. 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)

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

(ii) 2 +√3

(i) 0
(ii) 1
(iii) 2
(iv) 3

(ii) 1

(i) 410
(ii) 408
(iii) 402
(iv) 404

(iii) 402

Q10. If 1/(b + c), 1/(c + a), 1/(a + b) are in AP then

(i) a, b, c are in AP
(ii) a², b², c² are in AP
(iii) 1/1, 1/b, 1/c are in AP
(iv) None of these

(ii) a², b², c² are in AP

(i) 0
(ii) 1
(iii) k + j + 1
(iv) k + j –1

(i) 0

(i) 1/2√2
(ii) 1/2√3
(iii) 1/2 – 1/√3
(iv) 1/2 – 1/√2

(iv) 1/2 – 1/√2

Q13. The sum of series 1/2! + 1/4! + 1/6! + ….. is

(i) e² – 1 / 2
(ii) (e – 1)² /2 e
(iii) e² – 1 / 2 e
(iv) e² – 2 / e

(ii) (e – 1)² /2 e

Q14. An infinite G.P has first term x and sum 5, then

(i) x < – 10 (ii) – 10 < x < 0 (iii) 0 < x < 10 (iv) x > 10

(iiiI

Q15. If the positive numbers a, b, c, d are in A.P., then abc, abd, acd, bcd are

(i) not in A.P. / G.P. / H. P.
(ii) in A.P.
(iii) in G.P.
(iv) in H.P.

(iv) in H.P.

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

(iii) 1

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

(iii) 1

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

(iv) 2/3

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

(i) 0

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

(iv) 350

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

(iv) 492 + 2

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

(iii) 11

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

(iii) 3

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

(ii) 330

Q25. 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

Q26. 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

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