# Question Bank Solutions for CBSE (Science) Class 11 - CBSE - Mathematics

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Which of the following are sets? Justify our answer.

The collection of all months of a year beginning with the letter J.

[0.03] Sets
Chapter: [0.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of ten most talented writers of India.

[0.03] Sets
Chapter: [0.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

A team of eleven best-cricket batsmen of the world.

[0.03] Sets
Chapter: [0.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of all boys in your class.

[0.03] Sets
Chapter: [0.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of all natural numbers less than 100.

[0.03] Sets
Chapter: [0.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

A collection of novels written by the writer Munshi Prem Chand.

[0.03] Sets
Chapter: [0.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of all even integers.

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of questions in this Chapter.

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

A collection of most dangerous animals of the world.

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Let A = {1, 2, 3, 4, 5, 6}. Insert the appropriate symbol ∈or ∉ in the blank space:

5…A

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in roster form: A = {xx is an integer and –3 < < 7}.

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in roster form:

B = {xx is a natural number less than 6}.

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in roster form:

C = {x: x is a two-digit natural number such that the sum of its digits is 8}

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in roster form:

D = {xx is a prime number which is divisor of 60}.

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in roster form:

E = The set of all letters in the word TRIGONOMETRY.

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in roster form:

F = The set of all letters in the word BETTER.

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in the set-builder form: (3, 6, 9, 12)

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in the set-builder form: {2, 4, 8, 16, 32}

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in the set-builder form: {5, 25, 125, 625}

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Chapter: [0.03] Sets
Concept: Sets and Their Representations

Write the following sets in the set-builder form: {2, 4, 6 …}

[0.03] Sets
Chapter: [0.03] Sets
Concept: Sets and Their Representations
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