Multiple Choice Questions on An alloy of gold and copper weights 50 g It contains 80 gold How much gold should be added to the al........... for Mathematics - All Exams Preparation

Back to Main Page

Multiple Choice Questions

An alloy of gold and copper weights 50 g It contains 80 gold How much gold should be added to the al...........

Quantitative Aptitude ( CCS) Mixture and Alligation
    Download Solution PDF

    An alloy of gold and copper weights 50 g. It contains 80% gold. How much gold should be added to the alloy so that percentage of gold is increased to 90?

    50gm

    Correct Answer

    60gm

    Incorrect Answer

    45gm

    Incorrect Answer

    35gm

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

    Gold in alloy =50*80% =40gm
    Copper in alloy =50*20%=10gm
    Now,
    (40+x)/10=90/10
    X=50gm

    Hence, option 1 is the correct answer.

    Let's Discuss

    Master
    Mixture and Alligation
    With abhipedia
    Micro Courses
    Try Now
    What our students have to say
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free

    Search on abhipedia