CLEAR
Toprankers-Info

+91 7676564400

Mobile App

Get it on Google Play
Discussions
Select Date
Tags:

Articles

Discussions
Submit Discussion
ABHISHEK KUMAR MADDHESIA

· started a discussion

· 1 Months ago

please explain (Question: 259920.0 )

how did you get 6:5?

Question:

Gagandeep and Hemant are two persons, but when they worked together, they complete in 20 days. Had Gagandeep worked at half of his efficiency and Hemant at 6 times of his efficiency, it would have taken them to finish the job in 33 13   % of the scheduled time. In how many days Gagandeep can complete the job working alone?

Options:
A)

33 13    days

B)

33 23   days

C)

36 23    days

D)

40 days

Solution:

Ans: (c)

  

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Given answer is correct
According to Question
Let the eff. 0f gagandeep = x
and the eff. of hemant = Y
x + Y = (x/2 + 6Y) 1/3
3x + 3y = x/2 + 6y
3x - x/2 = 6y - 3y
5x = 6y
x = 6 , y = 5
total work = 11 x 20 = 220
Req. time for gagandeep = 220/6

Best wishes
Team TR
-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