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Four persons A, B, C and D throw an unbiased die, turn by turn, in succession till one gets an even number and win the game. What is the probability that A wins if A begins?

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Important Questions on Probability

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 29 - Probability>WBJEE 2020>Q 2
A and B are independent events. The probability that both A and B occur is 120 and the probability that neither of them occurs is 35. The probability of occurrence of A is
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 29 - Probability>WBJEE 2019>Q 3
A problem in mathematics is given to 4 students whose chances of solving individually are 12, 13, 14 and 15. The probability that the problem will be solved at least by one student is
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 29 - Probability>WBJEE 2018>Q 4
A student appears for tests I, II and III. The student is successful if he passes in tests I, II or I, III. The probabilities of the student passing in tests I, II and III are respectively p, q and 12. If the probability of the student to be successful is 12. Then
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 29 - Probability>WBJEE 2020>Q 5
A rifleman is firing at a distant target and has only 10% chance of hitting it. The least number of rounds he must fire to have more than 50% chance of hitting it at least once, is
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 29 - Probability>WBJEE 2018>Q 6
In order to get a head at least once with probability ≥0.9, the minimum number of times a unbiased coin needs to be tossed is