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Maths Permutations and Combinations Class 11 MCQ and Assertion Questions

Short Quiz · Class 11 · Maths · CBSE

Preparing for CBSE

Chapter 6 Class 11 Permutations and Combinations | 5 questions | about 4 minutes

Practise Permutations and Combinations Class 11 with Teachoo's Short Quiz (Class 11 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 5
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Question 1 of 5

Assertion: Using the digits 0, 1, 2, 3, 4 and 5 without repetition, exactly 100 three-digit numbers can be formed.


Reason: The count \({}^{6}P_{3}=120\) includes \({}^{5}P_{2}=20\) arrangements beginning with 0, which must be removed.

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Question 2 of 5
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The sum of the digits in unit place of all the numbers formed with the help of 3, 4, 5 and 6 taken all at a time is
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Question 3 of 5
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The number of ways in which a team of eleven players can be selected from 22 players always including 2 of them and excluding 4 of them is
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Question 4 of 5

Assertion: The letters of DAUGHTER can be arranged in 4320 ways if all three vowels are together.


Reason: Since all eight letters of DAUGHTER are distinct, their total number of unrestricted arrangements is \(8!\).

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Question 5 of 5
NCERT Exemplar
The number of 5-digit telephone numbers having atleast one of their digits repeated is
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