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Important Questions

Permutations and Combinations

ICSE · Class 11 · Mathematics

Most important questions from Permutations and Combinations for ICSE Class 11 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.

58 questions28 flashcards5 concepts

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58 Questions·
multiple choicetrue false

Sample Questions

1true false

True or False: In permutations, the order of arrangement matters.

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True

True. A permutation is an ordered arrangement. AB and BA are counted as different permutations.

2multiple choice

5C3 equals:

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10

5C3 = 5!/(3!×2!) = (5×4)/(2×1) = 10.

3true false

True or False: In combinations, AB and BA are considered different selections.

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False

False. In combinations, order does not matter. AB and BA represent the SAME combination — both select elements A and B.

4multiple choice

The Addition Principle states that if event A can occur in m ways and event B in n ways (disjoint), then A or B can occur in:

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m + n ways

Addition Principle: for mutually exclusive (disjoint) events, A OR B can occur in m+n ways. Multiplication is for sequential AND events.

+54 more questions available

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Frequently Asked Questions

What are the important topics in Permutations and Combinations for ICSE Class 11 Mathematics?
Key topics in Permutations and Combinations include Permutations and Combinations Concept Map, Permutations and Combinations Overview, Complete Overview of Permutations and Combinations. These are the concepts ICSE Class 11 examiners draw on most — study them first, then practise related questions.
How to score full marks in Permutations and Combinations — ICSE Class 11 Mathematics?
Understand the core concepts first, then work through the 58 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Permutations and Combinations?
There are 58 practice questions available for Permutations and Combinations. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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