probability

Probability

Probability: Probability Formulas, Probability Meaning, Conditional Probability Definition, Probability Problems, Probability Questions with Solved Exercises

assess-yourself
Take Aptitude Test
view-results
View Aptitude Test Results

Online Aptitude Questions with Answers on Probability

Q31. **A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that exactly three bulbs are good.**

  1.  20/31
  2.  20/63
  3.  5/31
  4.  6/31
  5.  26/31

Solution : 20/63
Q32. **A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?**

  1.  17/91
  2.  33/91
  3.  51/91
  4.  65/91
  5.  None of these

Solution : 33/91

Math Whiz

Free Online Contest on Aptitude and Reasoning.20 mins Only.

  • All Participants get Participation Certificates to boost your Resume
  • Cash Vouchers for the top 100 weekly winners

Participation Now using Laptop/ Desktop/ Tab/ Mobile.



Q33. **A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?**

  1.  1/455
  2.  2/455
  3.  1/91
  4.  4/455
  5.  None of these

Solution : 1/455
Q34. **A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?**

  1.  3/22
  2.  4/21
  3.  2/21
  4.  1/14
  5.  None of these

Solution : 2/21

Campus Ambassador (Remote Internship)

Are you a college student? You can become a Campus Ambassador for LearningPundits. Promote our Online Contests to students from you college via email, Facebook, posters, WhatsApp and old-fashioned face to face communication
You will receive:
  • Stipend based on your performance
  • Internship Certificate to boost your Resume


Q35. **A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are drawn at random, what is the probability that at least one is green?**

  1.  23/35
  2.  29/35
  3.  47/70
  4.  43/70
  5.  None of these

Solution : 23/35
Q{{($index+1)+((page-1)*LIMITPERPAGE)}}.

  1.  

Solution :

Grammar Guru

Free Online Contest on English Grammar and Vocabulary.20 mins Only.

  • All Participants get Participation Certificates to boost your Resume
  • Cash Vouchers for the top 100 weekly winners

Participation Now using Laptop/ Desktop/ Tab/ Mobile.



Math Whiz

Free Online Contest on Aptitude and Reasoning.20 mins Only.

  • All Participants get Participation Certificates to boost your Resume
  • Cash Vouchers for the top 100 weekly winners

Participation Now using Laptop/ Desktop/ Tab/ Mobile.



Campus Ambassador (Remote Internship)

Are you a college student? You can become a Campus Ambassador for LearningPundits. Promote our Online Contests to students from you college via email, Facebook, posters, WhatsApp and old-fashioned face to face communication
You will receive:
  • Stipend based on your performance
  • Internship Certificate to boost your Resume


Preparing for Aptitude Tests ? Please go through our courses on Aptitude Questions and try to answer our Online Aptitude Test Questions on Quantitative Aptitude.
Interested in evaluating your Reasoning Skills ? Please go through our courses on Logical Reasoning and Non-Verbal Reasoning to answer our Reasoning Questions.
Interested in learning English and checking your English Grammar ? Do a quick grammar check to evaluate your Basic English Grammar Skills. Improve your English Vocabulary by going through these Vocabulary words.
Wondering how to make a resume ? These resume format for freshers might be helpful. You can also submit your Resume for Review and look and Resume samples available there.
Preparing for an HR Interview or Group Discussion ? These HR interview questions and answers could help you do well in a typical HR interview. These group discussion tips could also be useful.
Searching for jobs ? We have thousand of Fresher Jobs. Feel free to browse through our extensive list of online jobs.


Weekly Contests Leaderboard


Rank - {{getRank($index,weeklyWinner)}}: {{weeklyWinner.userName}}

Loading...

« Previous Next »

Subscribe to our RSS Feed