Important Class 11 Maths MCQ Questions of Sequences and Series with Answers are given here. Sequences and series have a few applications in our everyday life. The significant MCQ Questions for class 11 Maths cover every one of the topics and subtopics in the NCERT.
Go through the significant MCQ Questions gave at “Sarthaks eConnect” and accomplish astounding marks in the yearly assessment. It’s based on latest syllabus and exam pattern. The answers of the questions are given in a detailed explanation. so, students can understand them in a superior manner.
Practice MCQ Questions for class 11 Maths Chapter-Wise
1. If a, b, c are in AP then
(a) b = a + c
(b) 2b = a + c
(c) b2 = a + c
(d) 2b2 = a + c
2. Three numbers form an increasing GP. If the middle term is doubled, then the new numbers are in Ap. The common ratio of GP is
(a) 2 + \(\sqrt3\)
(b) 2 – \(\sqrt3\)
(c) 2 ± \(\sqrt3\)
(d) None of these
3. The sum of n terms of the series (1/1.2) + (1/2.3) + (1/3.4) + …… is
(a) n/(n+1)
(b) 1/(n+1)
(c) 1/n
(d) None of these
4. The sum of the series 1/2! − 1/3! + 1/4! −... up to infinity is
(a) e-2
(b) e-1
(c) e-1/2
(d) e1/2
5. The third term of a geometric progression is 4. The product of the first five terms is
(a) 43
(b) 45
(c) 44
(d) none of these
6. Let Tr be the rth 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 Tmn equals
(a) 1/mn
(b) 1/m + 1/n
(c) 1
(d) 0
7. 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
(a) 2
(b) 4
(c) 6
(d) 8
8. 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
(a) A.P
(b) G.P
(c) H.P
(d) A.G.P
9. If 1/(b + c), 1/(c + a), 1/(a + b) are in AP then
(a) a, b, c are in AP
(b) a2, b2, c2 are in AP
(c) 1/1, 1/b, 1/c are in AP
(d) None of these
10. The 35th partial sum of the arithmetic sequence with terms an = n/2 + 1
(a) 240
(b) 280
(c) 330
(d) 350
11. 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
(a) 1
(b) 2
(c) 3
(d) 4
12. If 2/3, k, 5/8 are in AP then the value of k is
(a) 31/24
(b) 31/48
(c) 24/31
(d) 48/31
13. If the third term of an A.P. is 7 and its 7th term is 2 more than three times of its third term, then the sum of its first 20 terms is
(a) 228
(b) 74
(c) 740
(d) 1090
14. 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
(a) 10
(b) 12
(c) 11
(d) 13
15. 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
(a) abc
(b) 2abc
(c) 3abc
(d) 4abc
16. 3, 5, 7, 9, …….. is an example of
(a) Geometric Series
(b) Arithmetic Series
(c) Rational Exponent
(d) Logarithm
17. 2, 3, 5, 7, 11, ?, 17
(a) 12
(b) 13
(c) 14
(d) 15
18. If the positive numbers a,b,c,d are in AP. Then, abc,abd,acd,bcd are
(a) not in AP/GP/HP
(b) in AP
(c) in GP
(d) in HP
19. The minimum value of expression 3x+31−x,x ∈ R, is
(a) 0
(b) 1/3
(c) 3
(d) \(2\sqrt3\)
20. The sum of odd integers from 1 to 2001 is
(a) 10201
(b) 102001
(c) 100201
(d) 1002001