# Probability

Probability: Probability Formulas, Probability Meaning, Conditional Probability Definition, Probability Problems, Probability Questions with Solved Exercises

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## Online Aptitude Questions with Answers on Probability

Q11. A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is:

1.  1/13
2.  2/13
3.  1/26
4.  1/52

Solution : 1/26
Q12. **A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is:**

1.  1/22
2.  3/22
3.  2/91
4.  2/77

Solution : 2/91

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Q13. **Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:**

1.  3/20
2.  29/34
3.  47/100
4.  13/102

Solution : 13/102
Q14. **One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?**

1.  1/13
2.  3/13
3.  1/4
4.  9/52

Solution : 3/13

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Q15. **A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?**

1.  3/4
2.  4/7
3.  1/8
4.  3/7

Solution : 4/7
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