Welcome to the Sequences,Sums and Matrices MCQs Page

Dive deep into the fascinating world of Sequences,Sums and Matrices with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Sequences,Sums and Matrices, a crucial aspect of Discrete Mathematics. In this section, you will encounter a diverse range of MCQs that cover various aspects of Sequences,Sums and Matrices, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Discrete Mathematics.

Check out the MCQs below to embark on an enriching journey through Sequences,Sums and Matrices. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Discrete Mathematics.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Sequences,Sums and Matrices. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Sequences,Sums and Matrices MCQs | Page 5 of 12

Explore more Topics under Discrete Mathematics

01

Logics and Proofs

02

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03

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04

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Q41.

If a₁, a₂……… are in AP then a₁⁻¹, a₂⁻¹……… are in __________

An airthmetic sequence

A geometic progression

Airthmetico-geometric progression

None of the mentioned

Discuss

Answer: (d).None of the mentioned

Q42.

The ninth term of 1⁄3, 1⁄7, 1⁄11, 1⁄15, 1⁄19,……… is given by?

1⁄35

1⁄36

1⁄39

None of the mentioned

Discuss

Answer: (a).1⁄35

Q43.

If for some number a and d, if first term is 1⁄a, second term is 1/(a+d), thrid term is 1/(a+2d) and so on, then 5th term of the sequence is?

a+4d

a-4d

1/(a+4d)

none of the mentioned

Discuss

Answer: (c).1/(a+4d)

Q44.

If a, b, c are in hp then a⁻¹, b⁻¹, c⁻¹ are in _________

None of the mentioned

Discuss

Answer: (c).AP

Q45.

If a, b, c are in hp, then b is related with a and c as _________

2(1⁄b) = (1⁄a + 1⁄c)

2(1⁄c) = (1⁄b + 1⁄c)

2(1⁄a) = (1⁄a + 1⁄b)

None of the mentioned

Discuss

Answer: (a).2(1⁄b) = (1⁄a + 1⁄c)

Q46.

For number A, C if H is harmonic mean, G is geometric mean then H>=G.

True

False

May be True or False

Can't say

Discuss

Answer: (b).False

Q47.

For number B, C if H is harmonic mean, A is the airthmetic mean then H>=A.

True

False

May be True or False

Can't say

Discuss

Answer: (b).False

Q48.

Which of the following gives the right inequality for AM, GM, HM?

AM>=HM>=GM

GM>=AM>=HM

AM>=GM>=HM

GM>=HM>=AM

Discuss

Answer: (c).AM>=GM>=HM

Q49.

For two number a,b HM between them is given by?

(2b+2a )/3b

2ab/(a+b)

(a+b)/2ab

2b/(a+b)

Discuss

Answer: (b).2ab/(a+b)

Q50.

If A, G, H are the AM, GM, HM between a and b respectively then?

A, G, H are in hp

A, G, H are in gp

A, G, H are in ap

None of the mentioned

Discuss

Answer: (b).A, G, H are in gp

Page 5 of 12

Welcome to the Sequences,Sums and Matrices MCQs Page

Sequences,Sums and Matrices MCQs | Page 5 of 12

Explore more Topics under Discrete Mathematics

Logics and Proofs

Sets and Functions

Algorithms

Number Theory and Cryptography

Induction and Recursion

Counting Theory

Discrete Probability

Relations

Graphs and Graphs Properties

Tree Properties

Boolean Algebra and Modeling Computations

Group Theory

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