Multiple Choice Questions on Out of a total 10 bulbs 6 bulbs are working inorder One has to choose 2 bulbs out of 6 What is the p........... for Mathematics - All Exams Preparation

Back to Main Page

Multiple Choice Questions

Out of a total 10 bulbs 6 bulbs are working inorder One has to choose 2 bulbs out of 6 What is the p...........

Quantitative Aptitude ( CCS) Probability
    Download Solution PDF

    Out of a total 10 bulbs, 6 bulbs are working inorder. One has to choose 2 bulbs out of 6. What is the probability that all the 2 bulbs will be glowing ?

    1/3

    Correct Answer

    1/2

    Incorrect Answer

    1/5

    Incorrect Answer

    1/6

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

    Explanation :
    6C2 = 6*5/2*1 = 30/2 = 15
    10C2  = 10*9/1*2 = 45
    P =15/45 = 1/3

    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