Most viewed puzzles under tag probability

0 votes

What is the minimum number of letters that John has to send to be sure that Peter receives his letter

posted Aug 29, 2020 by Atindra Kumar Nath

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Luke has a blue ball and red balls. Every day, he wins 2 blue balls and loses 3 red ones

posted Aug 29, 2020 by Atindra Kumar Nath

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Three points are selected at random on a sphere's surface. What is the probability that they all lie in same hemisphere?

posted Jul 27, 2016 by anonymous

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A man throws three dices simultaneously..........What is the probability of getting three numbers whose product is even?

posted Oct 1, 2019 by Yogeshwar Thakur

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You’re on a game show, and you’re given the choice of three doors: Behind one door is a car; behind the others, goats...

posted Sep 19, 2016 by anonymous

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Two digits are selected at random from digits 1 through 9. If sum is even, find the probability of both numbers are odd?

posted Nov 10, 2017 by anonymous

+1 vote

A bag contain 8 red and 5 white balls. 2 balls are drawn at random. What is the probability that both are white?

posted Nov 17, 2015 by anonymous

+1 vote

You take a test, and 60% pass the first time and 40% fail. The second time around,80% pass the test and 20% fail.

posted Aug 13, 2015 by Ankur Athari

+3 votes

What is the probability that room number starts with 1, 2 or 3 and ends with 4, 5 or 6?

posted Nov 10, 2013 by Anuj Yadav

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What is the probability of picking up an alphabet card from a 52 card deck?

posted Dec 6, 2019 by Divya Bharti

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If you choose to answer this question at random, what are the chances you will be correct?

posted Dec 23, 2014 by Kuldeep Apte

+1 vote

A bag contains 5 white, 4 red and 3 black balls. A ball is drawn, what is the probability that it is not black?

posted Apr 8, 2016 by anonymous

+1 vote

What is the probability that picked ball is neither red nor green?

posted Apr 30, 2014 by anonymous

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Two cards are drawn at random from a pack of 52 cards. What is the probability that the drawn cards are both aces?

posted Nov 14, 2014 by Anamika

+4 votes

Probability: Two Goats And A Car behind three gate, how to locate the car?

posted Jan 28, 2014 by Atul Mishra

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A bag contain 5 red balls and some blue balls. If the probability of drawing a blue ball from the bag is...........

posted May 3, 2016 by Pankaj Deshmukh

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12 identical balls are put on 3 identical boxes. What is the probability that one of the box has exactly 3 balls ?

posted Apr 17, 2015 by Amarvansh

+1 vote

A letter is chosen at random from letters of English alphabet. Find the probability that it is a letter of word 'DELHI'.

posted Mar 25, 2016 by anonymous

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Distribute the balls (all of them) into the bowls to maximize the chance of picking a white ball?

posted Jul 29, 2017 by Anand Huded

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A couple has two children, one of the child is a boy. What is the probability that the other child is also a boy?

posted Aug 23, 2017 by anonymous

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How can you get a fair coin toss if someone hands you a coin that is weighted to come up heads more often than tails?

posted May 20, 2014 by Salil Agrawal

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A bag contain 5 blue & 4 black balls. 3 balls are drawn at random, what is the probability of 2 are blue and 1 is black?

posted Nov 13, 2015 by anonymous

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A ticket is drawn from a pool of tickets numbered 1 to 20. What is the probability of ticket number is a multiple of 3?

posted Sep 8, 2015 by anonymous

+1 vote

What would be the probability that leap year would have exactly 52 Tuesdays?

posted Dec 30, 2016 by anonymous

+1 vote

You are going to flip 8 fair coins and 3 of first four have already landed tails. What is expected total count of tails

posted Jan 9, 2017 by anonymous

+1 vote

What's the probability that A wins the duel?

posted May 24, 2017 by anonymous

+2 votes

Puzzle: What is the probability that their other child is also a girl?

posted Jan 14, 2014 by anonymous

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In a single throw of two dice what is the probability of not getting the same number of both the dice?

posted Sep 25, 2015 by Vikram Luthra

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A box contains 4 red, 6 green & 8 black balls. 3 balls are drawn, find probability of all balls are of different color?

posted Jun 1, 2017 by anonymous

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If 1 Jan 2015 is Thursday then what would be the probability of 22nd October to be Wednesday?

posted May 20, 2015 by anonymous

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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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A letter is chosen from english alphabet. Find the probability that the letter chosen a. is a vowel b. is a consonant

posted Aug 8, 2017 by anonymous

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It raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

posted May 26, 2017 by Chahat Sharma

+1 vote

What is the probability of getting a sum 6 from two throws of a dice?

posted Apr 30, 2014 by anonymous

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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

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

posted Feb 14, 2019 by anonymous

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6 cards are drawn at random from a standard deck without replacement. Find the probability that all cards are hearts?

posted Aug 8, 2017 by anonymous

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What is the probability that either E occurs or F occurs?

posted Sep 9, 2014 by anonymous

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But somehow, he notices that he is spending 9 times more dates with Mary Jane than Stacy. Can you explain why?

posted Oct 15, 2015 by Brijesh Talwar

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What is the probability that both balls are red?

posted Oct 1, 2014 by Rajni

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What is the probability that the number formed is great than 57,26,000?

posted Oct 2, 2014 by anonymous

+1 vote

Four digit num has all non zero different even digit, what is the probability of first three digits in increasing order?

posted May 6, 2015 by anonymous

+1 vote

How many total number of possible cases are there and which are those?

posted Nov 7, 2014 by Varun Kumar

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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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What is the probability that in the next toss, it will land with tail?

posted Jul 1, 2014 by Salil Agrawal

–1 vote

There are 12 boys and 9 girls, if three students are selected at random, find probability of 1 girl & 2 boys selection?

posted May 26, 2017 by anonymous

–1 vote

Three dices are thrown simultaneously. What is the probability of getting three numbers whose sum is 13?

posted Apr 4, 2017 by anonymous

+4 votes

Find the probability of opening of the door?

posted Jan 25, 2014 by Neeraj Pandey

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

posted Apr 23, 2019 by anonymous

+1 vote

What is the probability of getting a product of 72 from three throws of a dice? [MCQ]

posted Dec 21, 2017 by anonymous