If A, B and C are mutually exclusive and exhaustive events of a random experiment such that P(B)=3/2P(A) and P(C)=1/2P(B), then P(A∪C)=
3/13
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1
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A committee of 8 members is to be selected from a group of 12 male and 10 female members. In how many ways the committee is selected such that at most two and at least one male member are there in the committee?
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2
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How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated
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3
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12 person are seated at a round table. Number of ways of selecting 2 persons not adjacent to each other is
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4
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A number lock on a suitcase has 3 wheels each labeled with 10 digits from 0 to 9. If the opening of the lock is a particular sequence of three digits with no repeats, how many such sequences will be possible?
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5
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A fair coin is tossed 5 times. What is the probability of getting at least three heads on consecutive tosses?
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6
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A coin is tossed 5 times. What is the probability that head appears an odd number of times?
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7
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From a pack of 52 playing cards, two cards are drawn together at random. Calculate the probability of both the cards being the Kings.
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8
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What is the sum of all 4 digit numbers that can be formed by the digits 1, 2, 3, 4 each exactly once
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9
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In a single throw with four dice,the probability of throwing seven is
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10
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If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25 ?
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