Start learning →

Two workers finish a job in exactly the same time each. If one alone takes 8 hours, together they take:

A4 hours
B6 hours
C8 hours
D16 hours
Answer & Solution
Correct answer: A. 4 hours
1. Each does one eighth an hour. 2. Together that is one fourth an hour. 3. They take 4 hours. _Source: OpenStax Elementary Algebra, Chapter 8, Solve Uniform Motion and Work Applications._
Practise this question with Quill — CAT →

Keep practising Time and Work

Browse all Time and Work questions for CAT, or explore more Quantitative Aptitude topics.

Start a Time and Work lesson →