Oral puzzles

Jai Ganesh · 2020-02-16 00:38:14

Hi,

#4722. An urn contains 4 red, 3 blue, and 3 green marbles. If 2 marbles are picked at random, what is the probability of both being red?

Jai Ganesh · 2020-02-18 00:51:44

Hi,

#4723. Three coins are tossed, find the probability of two heads obtained.

Jai Ganesh · 2020-02-20 00:04:52

Hi,

#4724. Two dice are rolled. Find the probability of getting sum 4.

math9maniac · 2020-02-21 04:18:54

Jai Ganesh · 2020-02-21 15:40:46

Hi,

Good work, math9maniac!

#4725. A die is thrown twice. What is the probability of getting a sum 7 from both the throws?

Jai Ganesh · 2020-02-23 00:34:25

Hi,

#4726. Two dice are thrown simultaneously. Find the probability of getting a multiple of 2 on one dice and multiple of 3 on the other dice?

Jai Ganesh · 2020-02-25 00:23:38

Hi,

#4727. A die is rolled and a coin is tossed, find the probability of the die showing an even number and the coin showing a tails.

Jai Ganesh · 2020-02-27 00:32:51

Hi,

#4728. A card is drawn at random from a deck of cards. Find the probability of getting a king or a spade.

Jai Ganesh · 2020-02-29 01:33:00

Hi,

#4729. A card is drawn from a pack of 52 cards. The card is drawn at random. What is the probability of it being neither a spade nor a jack?

Jai Ganesh · 2020-03-02 00:36:42

Hi,

#4730. From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?

math9maniac · 2020-03-03 01:28:07

Last edited by math9maniac (2020-03-03 01:28:27)

Jai Ganesh · 2020-03-03 02:58:22

Hi,

Good attempt!

#4731. When four cards are drawn in succession from a pack of cards with replacement, what is the probability of all the cards are from different suits?

Jai Ganesh · 2020-03-04 00:32:31

Hi,

#4732. Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability of the ticket being drawn has a number, which is a multiple of 3 or 4?

Jai Ganesh · 2020-03-06 00:31:21

Hi,

#4733. Three unbiased coins are tossed. What is the probability of getting at most two heads?

Jai Ganesh · 2020-03-08 00:53:08

Hi,

#4734. A bag contains 3 white, 4 red, and 5 blue balls. Two balls are drawn at random from the bag. Find the probability of both of them being blue.

Jai Ganesh · 2020-03-10 00:23:03

Hi,

#4735. A bag contains 7 blue balls and 5 yellow balls. If two balls are selected at random, what is the probability of none of them is yellow?

Jai Ganesh · 2020-03-12 00:25:32

Hi,

#4736. In a box, there are 8 red, 7 blue, and 6 green balls. One ball is picked at random. What is the probability of it being neither red nor green?

Jai Ganesh · 2020-03-14 00:29:36

Hi,

.

#4737. A bag contains 5 black and 6 white balls. James takes a ball and places it in the box. He again takes out a ball. What is the probability of both balls being white?

Jai Ganesh · 2020-03-16 00:37:20

Hi,

#4738. A bag contains 21 toys numbered 1 to 21. A toy is drawn and another toy is drawn without replacement. Find the probability of both toys showing even numbers.

Jai Ganesh · 2020-03-18 00:31:44

Hi,

#4739. Out of 13 applications for a job, there are 5 women and 8 men. It is desired to select 2 persons for the job. Find the probability of at least one of the selected persons be a woman.

Jai Ganesh · 2020-03-20 00:28:31

Hi,

#4740. The probability of success of three students A, B, and C in one examination are 1/3, 1/2, and 1/4 respectively. Find the probability of all three students failing in the examination,

Jai Ganesh · 2020-03-22 00:36:36

Hi,

#4741. Four cards are drawn from a pack of 52 cards without replacement. What is the probability of they all have the same value?

Jai Ganesh · 2020-03-24 00:41:06

Hi,

#4742. A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability of the ball drawn being white?

Jai Ganesh · 2020-03-26 00:22:37

Hi,

#4743. What is the probability of a number selected from numbers 1, 2, 3, ......, 30 is a prime number, when each of the given number is equally likely to be selected?

Jai Ganesh · 2020-03-28 00:59:43

Hi,

#4744. A bag contains 13 white balls and 7 black balls. Two balls are drawn at random. What is the probability of they being the same color?

Math Is Fun Forum

#6576 2020-02-16 00:38:14

Re: Oral puzzles

#6577 2020-02-18 00:51:44

Re: Oral puzzles

#6578 2020-02-20 00:04:52

Re: Oral puzzles

#6579 2020-02-21 04:18:54

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#6580 2020-02-21 15:40:46

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#6581 2020-02-23 00:34:25

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#6582 2020-02-25 00:23:38

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#6583 2020-02-27 00:32:51

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#6584 2020-02-29 01:33:00

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#6585 2020-03-02 00:36:42

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#6586 2020-03-03 01:28:07

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#6587 2020-03-03 02:58:22

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#6588 2020-03-04 00:32:31

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#6589 2020-03-06 00:31:21

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#6590 2020-03-08 00:53:08

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#6591 2020-03-10 00:23:03

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#6592 2020-03-12 00:25:32

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#6593 2020-03-14 00:29:36

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#6594 2020-03-16 00:37:20

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#6595 2020-03-18 00:31:44

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#6596 2020-03-20 00:28:31

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#6597 2020-03-22 00:36:36

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#6598 2020-03-24 00:41:06

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#6599 2020-03-26 00:22:37

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