1. A coin is tossed once. What is the probability of getting a head?
- A
- B1
- C0
- D
Show answer
Answer: A)
Outcomes = {H, T}, total 2. Favourable = 1 (head). P = .
Class 10 Probability of Simple Events — practice questions with answers
Statistics · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.
2. Numbers 1 to 20 are written on slips and one is drawn at random. What is the probability of getting a multiple of 5?
- A
- B
- C
- D
Show answer
Answer: A)
Multiples of 5 from 1-20: {5,10,15,20} = 4. P = .
3. A die is rolled once. What is the probability of getting a number less than 1?
- A0
- B-1
- C1
- D2
Show answer
Answer: A) 0
No face shows a number less than 1, so the event is impossible. P = 0.
4. A letter is picked at random from the word PROBABILITY.
What is the probability that the letter chosen is a vowel?
What is the probability that the letter chosen is a vowel?
- A
- B
- C
- D
Show answer
Answer: A)
PROBABILITY has 11 letters. Vowels: O, A, I, I = 4. P = .
5. A bag contains 18 balls coloured red, green and blue.
The probability of drawing a red ball is and that of a green ball is .
How many blue balls are in the bag?
The probability of drawing a red ball is and that of a green ball is .
How many blue balls are in the bag?
- A2
- B3
- C4
- D6
Show answer
Answer: B) 3
Red = , green = . Blue = 18 - 6 - 9 = 3.
Practise all 50 questions free →
10 free questions a day without an account — unlimited with a free account.