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Important Questions

Probability

ICSE · Class 7 · Mathematics

Most important questions from Probability for ICSE Class 7 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.

61 questions25 flashcards5 concepts

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61 Questions·
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Sample Questions

1multiple choice
3 marks

A die is thrown 20 times and the outcomes 1, 2, 3, 4, 5, 6 appear 4, 3, 3, 4, 4, 2 times respectively. What is the probability of getting a number less than 4?

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1/2

Step 1: Numbers less than 4 are 1, 2, and 3. Step 2: Their counts are 4, 3, and 3. Step 3: Total favourable outcomes = 4 + 3 + 3 = 10. Step 4: Total throws = 20. Step 5: Probability = 10/20 = 1/2.

2multiple choice
3 marks

A die is thrown 20 times and the outcomes 1, 2, 3, 4, 5, 6 appear 4, 3, 3, 4, 4, 2 times respectively. What is the probability of getting an even number?

Show answer

9/20

Step 1: Even numbers are 2, 4, and 6. Step 2: Their counts are 3, 4, and 2. Step 3: Total favourable outcomes = 3 + 4 + 2 = 9. Step 4: Total throws = 20. Step 5: Probability = 9/20.

3multiple choice
3 marks

A die is thrown 20 times and the outcomes 1, 2, 3, 4, 5, 6 appear 4, 3, 3, 4, 4, 2 times respectively. What is the probability of getting an odd number?

Show answer

11/20

Step 1: Odd numbers are 1, 3, and 5. Step 2: Their counts are 4, 3, and 4. Step 3: Total favourable outcomes = 4 + 3 + 4 = 11. Step 4: Total throws = 20. Step 5: Probability = 11/20.

4multiple choice
3 marks

A coin is tossed 5 times and heads occur 3 times. In a second experiment, exactly one head out of 5 trials occurs 2 times. What is the probability of getting a head in the first experiment and exactly one head in the second experiment?

Show answer

3/5 and 2/5

Step 1: In the first experiment, head appears 3 times out of 5, so probability = 3/5. Step 2: In the second experiment, exactly one head occurs 2 times out of 5, so probability = 2/5. Step 3: The required pair is 3/5 and 2/5.

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Frequently Asked Questions

What are the important topics in Probability for ICSE Class 7 Mathematics?
Probability covers several key topics that are frequently asked in ICSE Class 7 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Probability — ICSE Class 7 Mathematics?
Understand the core concepts first, then work through the 61 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 Probability?
There are 61 practice questions available for Probability. 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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