CLEAR
Toprankers-Info

+91 7676564400

Mobile App

Get it on Google Play
Discussions
Select Date
Tags:

Articles

Discussions
Submit Discussion
SHREYA ANAND

· started a discussion

· 1 Months ago

doubt (Question: 324134.0 )

here Al is more than zinc in resulting mixture so % of copper should be more than 32.25% (where 32.25% is the % of cu when both aluminium and zinc are same). hence c should be the right option.plz clarify my doubt

Question:

An alloy of copper and aluminium has 40% copper. An alloy of copper and zinc has ratio of 2 : 7. These two alloys are mixed in such a way that in the overall alloy, there is more aluminium then zinc, and copper constitute X% of this alloy, what is the range of values X can take –

Options:
A)

20% ≤  X ≤ 40%

B)

30% ≤ X ≤ 40%

C)

32.5% < X ≤ 40%

D)

33.33% ≤  X ≤ 40%

Solution:

Ans: (b)

  

Knowledge Expert

· commented

· 1 Months ago

Dear student
the correct answer is (c)

girdhari

· commented

· 1 Months ago

sol and question are diff. ...
-logo
We at aim to provide most comprehensive content & test for practice which is carefully divided into various chapters and topics to help you focus on your weak areas.Our Practice mock test gives you unmatched analytics to help you realize your strong areas,time management and improvement areas.Our Short & Crisp notes on each topic will help you to quickly revise the topic along with the tips & tricks of the exams.
More About
-Info
-Info

Mobile App

Get it on Google Play
About Us Campus Ambassador Careers Contact Us Refund Policy

All Rights Reserved Top Rankers

User Policy
Disclaimer
Terms & Conditions