Probability
105 CBSE Class 11 Mathematics practice questions with answers and worked solutions.
- Difficulty: 41 easy · 52 moderate · 12 hard.
- Most-asked subtopics: Axiomatic Approach to Probability (42), Probability of 'A or B' and 'not A' (30), Types of Events and the Algebra of Events (27).
- Updated 18 August 2026.
#1Types of Events and the Algebra of Events
#2Types of Events and the Algebra of Events
#3Types of Events and the Algebra of Events
#4Types of Events and the Algebra of Events
- Set · 6 questionsA die is thrown. Describe the following events. Also find , , , , , , , , .
#5Random Experiments, Sample Space and Events
#6Random Experiments, Sample Space and Events
#7Random Experiments, Sample Space and Events
#8Random Experiments, Sample Space and Events
#9Random Experiments, Sample Space and Events
#10Random Experiments, Sample Space and Events
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#11Types of Events and the Algebra of Events
- Set · 3 questionsThree coins are tossed once. Let denote the event 'three heads show", denote the event "two heads and one tail show", denote the event" three tails show and denote the event 'a head shows on the first coin". Which events are
#12Types of Events and the Algebra of Events
#13Types of Events and the Algebra of Events
#14Types of Events and the Algebra of Events
- Set · 5 questionsThree coins are tossed. Describe
#15Types of Events and the Algebra of Events
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#19Types of Events and the Algebra of Events
- Set · 8 questionsTwo dice are thrown. The events , and are as follows: : getting an even number on the first die. : getting an odd number on the first die. : getting the sum of the numbers on the dice . Describe the events
#20Types of Events and the Algebra of Events
#21Types of Events and the Algebra of Events
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#24Types of Events and the Algebra of Events
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#27Types of Events and the Algebra of Events
- Set · 6 questionsRefer to question 6 above, state true or false: (give reason for your answer). [Question 6 sets up: two dice are thrown, with : getting an even number on the first die; : getting an odd number on the first die; : getting the sum of the numbers on the dice .]
#28Types of Events and the Algebra of Events
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#33Types of Events and the Algebra of Events
#34Axiomatic Approach to Probability
#35Probability of 'A or B' and 'not A'
#36Probability of 'A or B' and 'not A'
#37Probability of 'A or B' and 'not A'
#38Axiomatic Approach to Probability
#39Axiomatic Approach to Probability
#40Axiomatic Approach to Probability
- Set · 5 questionsA die is thrown, find the probability of following events:
#41Axiomatic Approach to Probability
#42Axiomatic Approach to Probability
#43Axiomatic Approach to Probability
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#45Axiomatic Approach to Probability
- Set · 3 questionsA card is selected from a pack of 52 cards.
#46Axiomatic Approach to Probability
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#48Axiomatic Approach to Probability
- Set · 2 questionsA fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed. find the probability that the sum of numbers that turn up is
#49Axiomatic Approach to Probability
#50Axiomatic Approach to Probability
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