Class 10 Mathematics Chapter 14: Probability — practice questions with answers
Free practice for Class 10 Mathematics, Chapter 14: Probability. Try the solved questions below, then take a free test with instant marking and explanations.
55 questions34 easy, 14 medium, 7 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. The theoretical probability of an event E is ______.
- (number of outcomes favourable to E) / (number of all possible outcomes)
- (number of all possible outcomes) / (favourable outcomes)
- number of favourable outcomes
- 1 − number of favourable outcomes
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Answer: A. (number of outcomes favourable to E) / (number of all possible outcomes)
Why: Assuming equally likely outcomes. [p.217]
Why: Assuming equally likely outcomes. [p.217]
Q2. An event having only one outcome of the experiment is called an ______ event.
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Answer: elementary
Why: E.g. getting a head in one toss. [p.205]
Why: E.g. getting a head in one toss. [p.205]
Q3. The probability of an event that is certain to happen is 1; such an event is called a ______ event.
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Answer: sure
Why: Getting a number less than 7 on a die is a sure event. [p.207]
Why: Getting a number less than 7 on a die is a sure event. [p.207]
Q4. An event whose probability is 0 is called an ______ event.
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Answer: impossible
Why: Getting 8 on a die is impossible. [p.207]
Why: Getting 8 on a die is impossible. [p.207]
Q5. Who wrote the first book on probability, 'The Book on Games of Chance'?
- J. Cardan
- Pierre Simon Laplace
- James Bernoulli
- A. de Moivre
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Answer: A. J. Cardan
Why: Cardan, an Italian physician and mathematician, 16th century. [p.204]
Why: Cardan, an Italian physician and mathematician, 16th century. [p.204]
Q6. How many face cards are there in a deck of 52 playing cards?
- 12
- 16
- 4
- 13
Show answer
Answer: A. 12
Why: Kings, queens and jacks of 4 suits: 3 × 4 = 12. [p.207]
Why: Kings, queens and jacks of 4 suits: 3 × 4 = 12. [p.207]
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Frequently asked questions
How many practice questions are there for Class 10 Mathematics Chapter 14: Probability?
55 questions (34 easy, 14 medium, 7 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 10 Mathematics syllabus, used by CBSE and many state boards.