| 1. | Two unbiased coins are tossed simultaneously. Find the probability of getting two heads. |
| a. | | 1/2 |
| b. | | 1/4 |
| c. | | 1/3 |
| d. | | None of the above
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| 2. | Two unbiased dice are thrown simultaneously. Find the probabilty of getting an even number as the sum. |
| a. | | 1/2 |
| b. | | 11/3 |
| c. | | 1/2 |
| d. | | 2/3
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| 3. | Find the probability that a leap year selected at random will contain 53 Sundays. |
| a. | | 1/7 |
| b. | | 3/7 |
| c. | | 4/7 |
| d. | | 2/7
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| 4. | One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that the card drawn is an Ace. |
| a. | | 4/13 |
| b. | | 1/13 |
| c. | | 1/52 |
| d. | | 5/52
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| 5. | Three unbiased coins are tossed together. Find the probability of getting all heads. |
| a. | | 1/4 |
| b. | | 2/3 |
| c. | | 1/3 |
| d. | | 1/8
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| 6. | Three unbiased coins are tossed together. Find the probability of getting one head. |
| a. | | 1/8 |
| b. | | 3/8 |
| c. | | 1/4 |
| d. | | 2/3
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| 7. | In a lottery of 50 tickets numbered 1 to 50, one ticket is drawn. Find the probability that the drawn ticket bears a prime number. |
| a. | | 1/50 |
| b. | | 18/50 |
| c. | | 13/50 |
| d. | | 3/10
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| 8. | Two dice are thrown. Getting two numbers whose sum is divisible by 5 or 6 is considered a success. Find the probability of success. |
| a. | | 11/36 |
| b. | | 7/36 |
| c. | | 13/36 |
| d. | | 1/18
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| 9. | From a pack of 52 cards, two cards are drawn at random. What is the probability that one of them is jack and the other one is knave? |
| a. | | 1/663 |
| b. | | 2/663 |
| c. | | 4/663 |
| d. | | 8/663
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| 10. | Find the probability of throwing at least one 4 in a single throw of two dice. |
| a. | | 10/36 |
| b. | | 7/36 |
| c. | | 5/36 |
| d. | | 11/36
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| 11. | A coin is tossed four times. What is the probability of getting a tail at least once? |
| a. | | 15/16 |
| b. | | 13/16 |
| c. | | 9/16 |
| d. | | 11/36
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| 12. | What is the probability of getting 1, 3, 5, and 6 respectively from 4 dice, thrown simultaneously. |
| a. | | 1/1296 |
| b. | | 5/1296 |
| c. | | 1/4 |
| d. | | 24/1296
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| 13. | A bag contains 5 green, 6 yellow and 7 blue balls. Find the probability that three balls drawn are all yellow. |
| a. | | 1/204 |
| b. | | 1/68 |
| c. | | 5/204 |
| d. | | 5/68
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| 14. | If A and B are mutually exclusive events, and P(A) = 0.63 and P(B) = 0.24, then find P( A' U B' ) = . |
| a. | | 0.13 |
| b. | | 1.13 |
| c. | | 3.13 |
| d. | | 0.87
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| 15. | A bag of money contains 6 nickels, 5 dimes, 10 pennies, and 3 quarters. What is the probability of picking a quarter or a dime. |
| a. | | 8/24 |
| b. | | 15/24 |
| c. | | 3/24 |
| d. | | 5/24
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| 16. | two coins are sinned simultaneosly one wan heads and another was tail then determine the probability |
| a. | | 1/2 |
| b. | | 2/3 |
| c. | | 3/2 |
| d. | | 3/4
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What others think about GRE Practice Test - Math - Probability |
| By: michel hachem on Nov 28, 2010 |
| | it's an amazing advanced probability test !!!! one must definitely take |
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| By: Electronic on Oct 24, 2010 |
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| By: ArunPrasath on Sep 24, 2010 |
| | A very good collection of questions, i would suggest everyone preparing for GRE to practice these set of questions ! |
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| By: aspirer on Aug 4, 2010 |
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| By: Alka on Nov 15, 2009 |
| | Probability is an interesting concept but I dont like it :( |
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| By: vaibhav on Nov 2, 2009 |
| | i know i am the best.....:) |
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| By: mansoor on Oct 4, 2009 |
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| By: Banannah on Aug 25, 2009 |
| | Challenging but good practice |
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| By: jillet on Aug 7, 2009 |
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| By: DK on Jul 23, 2009 |
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| By: kaustubh on Jul 13, 2009 |
| | Its a great test
Go ahead and give it a try |
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| By: Manoj on Jul 6, 2009 |
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| By: Umesh on Feb 2, 2009 |
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