Recent questions tagged probability

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NIELIT 2019 Feb Scientist D - Section D: 14
A bag contains $12$ balls of the two different colours out of which $x$ are white. One ball is drawn at random. If $6$ more white balls are put in a bag, the probability of drawing a white ball now will be doubled to that of previous probability of drawing a white ball. The value of $x$ is : $4$ $5$ $6$ $3$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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NIELIT 2017 DEC Scientific Assistant A - Section A: 35
A college cricket team with $11$ players consists of $4$ batsman, $3$ all-rounders, $3$ bowlers and $1$ wicket keeper. $3$ players are selected randomly. Find the probability that the selection contains a batsman, a bowler and an all-rounder. $\dfrac{12}{60} \\$ $\dfrac{13}{25} \\$ $\dfrac{12}{55} \\$ $\dfrac{104}{165}$

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 31, 2020

by Lakshman Patel RJIT

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NIELIT 2017 DEC Scientific Assistant A - Section A: 44
If a fair coin is tossed $5$ times and comes up heads four times out of five. Then if the coin is tossed a sixth time under the same conditions, the probability of it turning up heads is: $80\%$ $125\%$ $50\%$ $20\%$

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 31, 2020

by Lakshman Patel RJIT

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4

NIELIT 2016 DEC Scientist B - Section A: 56
Two dice are thrown simultaneously. The probability of obtaining a total score of $5$ is $1/18$ $1/12$ $1/9$ None of these

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 31, 2020

by Lakshman Patel RJIT

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5

Interview Question
You have to play three games with opponents A and B in a specified sequence. You win the series if you win two consecutive games. A is a stronger player than B. Which sequence maximizes your chance of winning the series? AAB ABA BAB BAA All are the same.

Rishav Kumar Singh asked in Quantitative Aptitude Aug 1, 2018

by Rishav Kumar Singh

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6

obtaining head in coin
A coin is tossed 10 times Find the probablity of obtaining head at least once

Uma Maheswari asked in Quantitative Aptitude Dec 24, 2017

by Uma Maheswari

286 points

514 views

2 votes

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7

A^B refers to A raised to the power B.Ten tickets numbered 1, 2, 3, ..., 10. Six tickets are selected at random one of a time with replacement. The probability of the largest number appearing on the selected ticket is 7 is

flash asked in Quantitative Aptitude Oct 2, 2017

by flash

26 points

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8

tcs aptitude
There are two bags. One bag contains 4 white and 2 black balls. Second bad contains 5 white and 4 black balls. 2 balls are transferred from first bag to second bag. Then one ball is taken from the second bag. The probability that the ball is white is ? 42/33 5/16 48/13 19/33

__ asked in Quantitative Aptitude Sep 15, 2016

by __

498 points

1k views

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2 answers

9

probability
When 4 dice are thrown, what is the probability that the same number appears on each of them? a. 1/36 b. 1/18 c. 1/216 d. 1/5

__ asked in Quantitative Aptitude Sep 7, 2016

by __

498 points

420 views

4 votes

1 answer

10

It is known that a bus will arrive at random at a certain location sometime between 3:00 P.M. and 3:30 P.M.

Arjun asked in Quantitative Aptitude Jul 14, 2015

by Arjun

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