Multiple Choice Questions on A basket contains 3 brown and 4 green balls If three balls are drawn at random What is the probabili........... for Mathematics - All Exams Preparation

Back to Main Page

Multiple Choice Questions

A basket contains 3 brown and 4 green balls If three balls are drawn at random What is the probabili...........

Quantitative Aptitude ( CCS) Probability
    Download Solution PDF

    A basket contains 3 brown and 4 green balls. If three balls are drawn at random ,What is the probability that all the three are same colour?

    7/5

    Incorrect Answer

    3/7

    Incorrect Answer

    1/7

    Correct Answer

    4/7

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

    Answer
    1/7
    Explanation :
    Total = 3+4 = 7
    7C3 = 7*6*5/3*2*1 = 35
    3C3 + 4C3 = 1 + 4*3*2 /3*2*1 = 1+4 = 5
    P  = 5/35 = 1/7

    By: Sandeep Dubey
    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