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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

\frac{1}{26}

\frac{1}{26}

\frac{13}{52}

\frac{13}{52}

\frac{1}{13}

\frac{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{1}{52}

\frac{1}{52}

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 ?

1/2

1/2

5/10

5/10

11/13

11/13

37/5

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

5/16

5/16

2/13

2/13

3/26

3/26

3/55

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

69/96

69/96

58/96

58/96

71/96

71/96

65/96

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.

\frac{1}{5}

\frac{1}{5}

\frac{1}{3}

\frac{1}{3}

\frac{2}{7}

\frac{2}{7}

\frac{2}{3}

\frac{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 dice 4 times, he had a bet with Jassi that he will get a double twice, what is the probability of him wining the bet

25/216

25/216

21/120

21/120

8/125

8/125

4/25

4/25

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