Recent puzzles under tag probability

0 votes

Triangle ABC with random points on the circle. What is the probability of triangle covering the centre of the circle?

posted 2 days ago by anonymous

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i, j, and k are chosen randomly from [-1, 1]. What is the probability that i^2 + j^2 + k^2 < 1 and |i| + |j| + |k| > 1

posted 3 days ago by anonymous

+2 votes

There are 9 positive and 5 negative numbers. Four numbers.........What is the probability that the product is positive?

posted Mar 28 by Vishal

+1 vote

What is the probability that her first pick was a black sock but her second pick was a blue socks?

posted Mar 22 by Upma

+2 votes

Probability: I have a stick of length 3 cm, I select 2 random points on it and break it at those points to get 3 pieces?

posted Mar 6 by anonymous

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Find the probability of drawing a face card from a deck of 52 cards?

posted Feb 14 by anonymous

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Two unbiased dice are tossed. What is the probability of getting a product divisible by 3?

posted Feb 14 by anonymous

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A, B and C are all running in a race. Probability that A wins is twice of B's and probability that B wins is twice Cs..

posted Feb 4 by anonymous

+2 votes

What is the probability of getting all 6 spoiled eggs from a supplier if the probability of 1 spoiled egg is 0.29?

posted Jan 22 by Brijesh Talwar

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A prime number less than 50 is randomly picked, what is the probability that one of its digit will be 1?

posted Dec 11, 2018 by Dilbagh

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When you roll 2 fair dice, is the total more likely to be odd or even?

posted Dec 11, 2018 by anonymous

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If a letter is randomly taken from the word OCTOPUS, what is the probability that it would be a vowel?

posted Dec 6, 2018 by Prithvi

+1 vote

A tosses a fair coin 50 times and B tosses another 51 times. What is the probability that B got more heads than A?

posted Dec 5, 2018 by anonymous

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If two letters are taken at random from word STUPID, what is the probability that none of the letters would be vowels?

posted Nov 28, 2018 by Yogeshwar Thakur

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If a letter is randomly taken from the word Mathematics, what is the probability that it would be a M?

posted Nov 23, 2018 by Deepak Chitragar

+1 vote

You hold 10 cards, the Ace through 10 and you lay them randomly down in a row...

posted Nov 11, 2018 by anonymous

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A puzzle consisting of 100 pieces. What is the minimum number of pieces I have to draw randomly from a pile...

posted Nov 11, 2018 by anonymous

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How many times, on average, do you need to toss a single unbiased coin to get 5 times 'heads' in a row?

posted Nov 11, 2018 by anonymous

+1 vote

3 points are randomly chosen on a circle. Find the probability that they are vertices of an acute angled triangle?

posted Oct 23, 2018 by anonymous

+1 vote

You have a coin that may be biased. If P is the probability of your coin flip being Heads, you don't know what P is...

posted Oct 22, 2018 by anonymous

+1 vote

What is the probability that its letter I or K or T if one letter is randomly selected from given sentence?

posted Oct 18, 2018 by anonymous

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A prime number less than 70 is randomly picked, what is probability that one of its digit will be 6?

posted Oct 17, 2018 by anonymous

+1 vote

What is the probability of getting a product of 8 from three throws of a dice?

posted Oct 10, 2018 by Deepak Chitragar

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A letter is picked from given quote, what is the probability that it is one of the following letters: G A N D H I?

posted Oct 2, 2018 by anonymous

+1 vote

A coin is randomly thrown on an infinite square grid. What is the probability that coin does not touch the grid lines?

posted Sep 30, 2018 by anonymous

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What is the probability that when they leave that none of them is wearing either of their own shoes?

posted Sep 30, 2018 by anonymous

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If two letters are taken at random from the word DREAM,what is the probability that none of the letters would be vowels?

posted Sep 26, 2018 by Swati Arora

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A hundred eggs are in a crate, if you draw out 2 and there are 6 bad eggs in the crate, what are your chances...........

posted Sep 26, 2018 by Dilbagh

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What is the probability that name of the picked Indian state starts with a vowel?

posted Sep 5, 2018 by Pushpak Chauhan

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What is the probability that the picked number is such a prime number whose sum of digits is an odd number?

posted Sep 3, 2018 by Aman

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What is the probability that picked character is one of the following letters I or N or D or A?

posted Aug 14, 2018 by Basabdatta Mukherjee

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2 dices are rolled. What is the probability of getting the total score as a prime number?

posted Aug 8, 2018 by Nikhil Pandey

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Probability of hitting a target by Ravi is 2/3. Find the probability that the target will be hit if he fires four times?

posted Aug 5, 2018 by anonymous

+1 vote

If two letters are taken at random from the word CANE, what is the probability that none of the letters would be vowels?

posted Jul 31, 2018 by Mridul

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If we play the following game 1400 times, what is the expected number of games that I would win?

posted Jul 28, 2018 by anonymous

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What is the probability this employee doesn't has an advanced degree?

posted Jul 3, 2018 by Nikita Sehgal

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A fair coin is tossed until a head comes up for first time. What is the probability of this happening on an odd tosses?

posted Jun 26, 2018 by anonymous

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What is the probability that picked character is one of the following letters K or I or T or Y?

posted Jun 20, 2018 by Saif Khanam

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What is the probability that other side is also tail ?

posted Jun 13, 2018 by Deepak Chitragar

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Fan will fall or not fall there is two outcome of the event then does it mean fan falling probability is .5 ?

posted Jun 13, 2018 by anonymous

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A prime number less than 70 is randomly picked, what is probability that one of its digit will be 7?

posted Jun 12, 2018 by Rajni

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If four letters are put into four envelopes, what is the probability of only three letters are into correct envelopes?

posted May 16, 2018 by anonymous

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A prime number less than 60 is randomly picked, what is probability that one of its digit will be 3?

posted May 9, 2018 by anonymous

+1 vote

Which is most likely, two coins both landing heads up or a picture card being chosen at random from a full deck?

posted Apr 27, 2018 by anonymous

+2 votes

If one employees is chosen, what is the probability this employee doesn't has an advanced degree and is female?

posted Mar 29, 2018 by anonymous

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Which is most likely, a letter chosen at random from the alphabet being a vowel or throwing a six on a dice?

posted Mar 9, 2018 by anonymous

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If one employee is chosen at random, what is the probability this employee doesn't has an advanced degree and is male?

posted Mar 5, 2018 by anonymous

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5 friends went to movie, they can sit 120 different ways. In how many ways any one person sitting in the middle seat?

posted Feb 13, 2018 by anonymous

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Probability of character being vowel selected from: "Toleration and liberty are the foundations of a great republic."

posted Jan 31, 2018 by anonymous

+1 vote

If you pick a number x between 0 and 1 (inclusive) uniformly at random, what is the probability that (log2 1/x) is odd?

posted Jan 25, 2018 by anonymous