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First Naukri Probability Quiz -1

Question 1

Time: 00:00:00
The chances of Vidit Gujrathi winning a chess game against Viswanathan Anand are 2/3. What are the chances that Vidit Gujrathi will win at least one of the two games?

1/27

1/27

19/27

19/27

2/27

2/27

8/9

8/9

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Question 2

Time: 00:00:00

Direction (Q2-Q4):


The probability that Raikonen will pass Quali 2 is 1/2 and the probability that Giovinazzi will pass Quali 2 is 1/3.

What is the probability that both Raikonnen and Giovinazzi will pass Quali 2?

1

1

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Question 3

Time: 00:00:00

Direction (Q2-Q4):


The probability that Raikonen will pass Quali 2 is 1/2 and the probability that Giovinazzi will pass Quali 2 is 1/3.

What is the probability that only 1 person [either Raikonnen or Giovinazzi] will pass Quali 2?

1

1

½

½

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Question 4

Time: 00:00:00

Direction (Q2-Q4):


The probability that Raikonen will pass Quali 2 is 1/2 and the probability that Giovinazzi will pass Quali 2 is 1/3.

What is the probability that at least one person will pass Quali 2?

1

1

½

½

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Question 5

Time: 00:00:00
In the World Series of Poker, Hossein Ensan was given 3 cards randomly from a deck of 52. How likely is it that all of the cards are Diamonds?

\frac{^{4}C_{3}}{^{2}C_{3}}

\frac{^{4}C_{3}}{^{2}C_{3}}

\frac{^{13}C_{3}}{^{52}C_{3}}

\frac{^{13}C_{3}}{^{52}C_{3}}

\frac{^{26}C_{3}}{^{52}C_{3}}

\frac{^{26}C_{3}}{^{52}C_{3}}

\frac{^{8}C_{3}}{^{52}C_{3}}

\frac{^{8}C_{3}}{^{52}C_{3}}

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Question 6

Time: 00:00:00
There are 8 white chocolates and 6 dark chocolates in each bag. Three chocolates are drawn one by one, with each one being replaced. What is the chance that all three chocolates are dark?

27/343

27/343

1/343

1/343

18/343

18/343

None of these

None of these

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Question 7

Time: 00:00:00
In a lottery bag there are 8 business class tickets for a flight and 6 first-class tickets, while another bag has 7 business class tickets and 5 first-class tickets. What is the likelihood that both tickets are business if one is selected from each bag?

½

½

¼

¼

1/15

1/15

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Question 8

Time: 00:00:00
Siddharth misplaced the last digit of his manager’s 8-digit phone number. What are the chances that he will dial the proper number if he enters the last three digits randomly after entering the first five correctly.

1/999

1/999

1/1001

1/1001

1/1000

1/1000

4/1000

4/1000

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Question 9

Time: 00:00:00
The Red Team has a 3:1 officer-to-lady ratio, whereas the Blue Team has a 2:5 officer-to-lady ratio. A person is chosen to serve as the chairwoman of their organization. This person has a 23% chance of being chosen from the Blue Team. Calculate the chances that the chairperson will be an officer.

25/42

25/42

13/43

13/43

11/43

11/43

7/42

7/42

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Question 10

Time: 00:00:00
David tells the truth three times out of four, but Goliath tells the truth five times out of six. What are the chances that they will contradict one another when reporting the same fact?

2/3

2/3

1/3

1/3

5/6

5/6

None of these

None of these

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