Multiple Choice Questions on The ratio of students of three classes is 2 3 4 If 12 students are increased in each classes then th........... for Mathematics - All Exams Preparation

Back to Main Page

Multiple Choice Questions

The ratio of students of three classes is 2 3 4 If 12 students are increased in each classes then th...........

Quantitative Aptitude ( CCS) Ratio, Proportion
    Download Solution PDF

    The ratio of students of three classes is 2:3:4. If 12 students are increased in each classes then their ratio turns into 13:18:23. What was the total number of students in all the three classes originally ?

    250

    Incorrect Answer

    215

    Incorrect Answer

    180

    Correct Answer

    190

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

    Let's discuss about first two classes.

    2:3

    No of students => 2x and 3x respectively.

    (2x + 12)/(3x + 12) = 13/18

    x = 20

    Hence total number of students originally = 2:3:4 => 9x  -------> 9*20 = 180

    By: Deepak Dawra
    ProfileResources

    Let's Discuss

    Master
    Ratio, Proportion
    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