Multiple Choice Questions on In a bag there are 6 red balls 5 white balls and 1 black ball A man draws 4 balls at random from the........... for Mathematics - All Exams Preparation

Back to Main Page

Multiple Choice Questions

In a bag there are 6 red balls 5 white balls and 1 black ball A man draws 4 balls at random from the...........

Quantitative Aptitude ( CCS) Probability
    Download Solution PDF

    In a bag there are 6 red balls, 5 white balls and 1 black ball. A man draws 4 balls at random from the bag. What will be the probability that 2 balls are red?

    4/15
    Incorrect Answer
    7/13
    Incorrect Answer
    5/11
    Correct Answer

    5/12

    Incorrect Answer
    छोटे Courses बड़े Results
    Master Probability
    Prepare through Micro-courses
    Try Now
    Explanation:

    Required Probabilty = [(6C2*5C1*1C1) + (6C2*5C2)]/12C4
    = [(15*5*1)+(15*10)]/495 = 5/11

    Hence, option 3 is the correct answer.

    By: Amit Kumar
    ProfileResources

    Let's Discuss

    Master
    Probability
    With abhipedia
    Micro Courses
    Try Now
    What our students have to say
    Review on us
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free