What if the probability of getting a king or a queen in a single drawn from a pack of 52 cards ?
A). 1/26
B). 1/13
C). 2/13
D). None of these
2/13
NA
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1. A coin is tossed live times. What is the probability that there is at the least one tail?
2. In a ward-robe, Nitish has 3 trousers. One of them is black, second is blue and third brown. In this ward-robe, he has 4 shirts also. One of them is black and the other 3 are white. He opens his ward-
3. In a school, 45% of the students play football, 30% play volleyball and 15% both. If a student is selected at random, then the probability that he plays football or volleyball is:
4. Two cards are drawn at random from a pack of 52 cards. What is the probability that the drawn cards are both aces ?
5. In a simultaneous throw of two dice find the probability of getting a total of 8 .
6. A box contains 3 white, 4 red and 7 blue erasers. If five erasers are taken at random then the probability that all the five are blue color is: -
7. Tow persons A and B appear in an interview for two vacancies. If the probabilities of their selections are 1/3 and 1/6 respectively, then the probability that none of them is selected, is
8. Direction: Given below are two quantities. Based on the given information, you have to determine the relation between the two quantities. Quantity A: Find the probability of choosing a 2 digits number less than 50 which is divisible by 2 or 3 or 5 but not by 6 and 15. Quantity B: Probability of selection of a boy in an interview is 1/2 and that of a girl is 5/9. What is the probability that one of them will be selected?
9. An unbiased cubic die is thrown.What is the probabiltiy of getting a multiple of 3 or 4?
10. The probability of occurrence of a multiple of 2 on a dice and multiple of 3 on the other dice . If both are thrown together is ?
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