engineering intelligence MCQ #399

If 'x' men can do a job in 'y' days, then 'y' men can do the job in?

engineering intelligence MCQ #399

Question 1
Q1. If 'x' men can do a job in 'y' days, then 'y' men can do the job in?
- A) x days
- B) x / y days
- C) y / x days
- D) x² / y days
Answer: x days
Explanation: The work done is constant, so xy = yx', where x' is the number of days 'y' men take. So, x' = x.