A is thrice as good a workman as B and hence is able to finish a job in 60 days less than B Working ...........

Quantitative Aptitude (CGL) Time and work

A is thrice as good a workman as B and hence is able to finish a job in 60 days less than B. Working together, they can finish it in how many days?

62.22

32.5

98.55

22.5

छोटे Courses बड़े Results

Master Time and work

Prepare through Micro-courses

Try Now

Explanation:

orm the problem,
Let assume A produces 3 units per day
And B produces 1 unit per day
A takes 'x' days and
B takes x + 60 days
Now we compare both works
A. B
3. 1
X. X+60
1*(x+60)= 3(x)
X= 30
Total work = 3*30= 90
When both A and B work together
= Total work / (efficiency of (A +B))
= 90/(3+1)
= 22.5 days