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ICSE Question Bank

Probability

Appeared in 10 of the 11 available papers.

Examined in
10 of 11 papers

Appears almost every year — treat as core

Typically worth
3.5 marks

Average per paper it appears in · 35 marks in total

Usual form
Numerical

84% of this chapter's 31 questions

Needs a diagram
10%

3 questions carry a figure — practise drawing them

Question-type distribution

  • Numerical26
  • MCQ3
  • Assertion-Reason2

Most frequent topics

Probability 31
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Showing 25 of 31 matching questions (35 marks).

25 questions

1

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

9(ii)

Ms. Sushmita went to a fair and participated in a game. The game consisted of a box having number cards with numbers from 01 to 30. The three prizes were as per the given table:

Figure for this question
9(ii)

Find the probability of winning a:

1

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

8(ii)

The following letters A, D, M, N, O, S, U, Y of the English alphabet are written on separate cards and put in a box. The cards are well shuffled and one card is drawn at random. What is the probability that the card drawn is a letter of the word,

1

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

7(i)

A bag contains 25 cards, numbered through 1 to 25. A card is drawn at random. What is the probability that the number on the card drawn is :

1

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

4(b)

Each of the letters of the word ‘AUTHORIZES’ is written on identical circular discs and put in a bag. They are well shuffled. If a disc is drawn at random from the bag, what is the probability that the letter is:

5(a)

There are 25 discs numbered 1 to 25. They are put in a closed box and shaken thoroughly.A disc is drawn at random from the box. Find the probability that the number on the disc is:

1(c)

Cards bearing numbers 2, 4, 6, 8, 10, 12, 14, 16, 18 and 20 are kept in a bag. A card is drawn at random from the bag. Find the probability of getting a card which is: