Probability Quiz-1

Question 1

Time: 00:00:00
In throwing a fair dice, what is the probability of getting the number '4' ?

1/6

1/6

1/2

1/2

1

1

3/4

3/4

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Question 2

Time: 00:00:00
If a card is picked up at random from a pack of 52 cards, find the probability that it is a spade.

1/26

1/26

1/4

1/4

1/13

1/13

None of these

None of these

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Question 3

Time: 00:00:00
Three coins are tossed. What is the probability for getting atleast one tail ?

\frac{1}{5}

\frac{1}{5}

\frac{7}{8}

\frac{7}{8}

\frac{7}{5}

\frac{7}{5}

None of these

None of these

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Question 4

Time: 00:00:00
From a bag containing 4 white and 5 black balls a man draws 3 at random. What are the odds against these being all black ?

\frac{1}{2}

\frac{1}{2}

\frac{5}{10}

\frac{5}{10}

\frac{11}{13}

\frac{11}{13}

\frac{37}{5}

\frac{37}{5}

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Question 5

Time: 00:00:00
Two balls are to be drawn from a bag containing 8 grey and 3 blue balls. Find the chances that they will both be blue

\frac{5}{16}

\frac{5}{16}

\frac{2}{13}

\frac{2}{13}

\frac{3}{26}

\frac{3}{26}

\frac{3}{55}

\frac{3}{55}

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Question 6

Time: 00:00:00
From a pack of 52 cards three cards are drawn at random. Find the probability of drawing a king, a queen and jack.

\frac{12}{2568}

\frac{12}{2568}

\frac{16}{5525}

\frac{16}{5525}

\frac{14}{8745}

\frac{14}{8745}

\frac{12}{4715}

\frac{12}{4715}

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Question 7

Time: 00:00:00
The odds against an event is 5:3 and the odds in the favour of another independent event is 7:5. Find the probability that at least one of the two events will occur

\frac{69}{96}

\frac{69}{96}

\frac{58}{96}

\frac{58}{96}

\frac{71}{96}

\frac{71}{96}

\frac{65}{96}

\frac{65}{96}

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Question 8

Time: 00:00:00
Two fair dices are thrown given that the sum of the dice is less or equal to 4 , find the probability that only dice shows 2.

1/5

1/5

1/3

1/3

2/7

2/7

2/3

2/3

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Question 9

Time: 00:00:00
Rajesh has a habit of speaking lies but he speaks truth 3 out of 8 times, on the other hand Aman never lies but his chances of speaking truth is 5 out of 6 times. What is the probability that they will contradict each other in stating the same fact ?

\frac{4}{52}

\frac{4}{52}

\frac{7}{12}

\frac{7}{12}

\frac{1}{52}

\frac{1}{52}

\frac{2}{13}

\frac{2}{13}

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Question 10

Time: 00:00:00
Ritik throws a pair of dices 4 times, he had a bet with Jassi that he will get a double twice, what is the probability of him winning the bet?

\frac{25}{216}

\frac{25}{216}

\frac{21}{210}

\frac{21}{210}

\frac{8}{125}

\frac{8}{125}

\frac{4}{25}

\frac{4}{25}

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