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Three students Ram, Ali and John appear at a competitive examinations. The probability of Ram comes first is thrice that of Ali and the probability of Ali coming first is thrice of John. The probability of John coming first is

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Important Questions on Probability

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Gamma Question Bank for Engineering Mathematics>Chapter 8 - Probability>Assignment>Q 11
Given two events are A and B. If odds against A are as 2:1 and those in favour of A∪B are as 3:1, then
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Gamma Question Bank for Engineering Mathematics>Chapter 8 - Probability>Assignment>Q 12
A die is thrown four times and the sum of the numbers is noted. If the sum of the numbers is 23 then the probability is
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Gamma Question Bank for Engineering Mathematics>Chapter 8 - Probability>Assignment>Q 13
Numbers of three digits with repetition using digits 1,2,3,….9 are formed. The probability that a selected number is divisible by 5 is
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Gamma Question Bank for Engineering Mathematics>Chapter 8 - Probability>Assignment>Q 14
Four digit numbers are formed by using the digits 1,2,3,6 without repetition. The probability that a selected number is divisible by 3 is
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Gamma Question Bank for Engineering Mathematics>Chapter 8 - Probability>Assignment>Q 15
A bag contains 5 black and 4 white balls. Two balls are drawn. The probability that the balls are of same colour is
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Gamma Question Bank for Engineering Mathematics>Chapter 8 - Probability>Assignment>Q 16
A bag contains 3 red and 5 black balls. Two balls are drawn at random. The probability that one ball is red and other is black is P then the value of 28 P-15 is
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Gamma Question Bank for Engineering Mathematics>Chapter 8 - Probability>Assignment>Q 17
If n is a positive integer then the probability that 3n has 3 at unit place is
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Gamma Question Bank for Engineering Mathematics>Chapter 8 - Probability>Assignment>Q 19
12 members of a committee are to sit down at random round a table. Probability that there are 3 members between the two particular members A and B, is