A is thrice as good a workman as B and therefore able to finish a job in 48 days less than B working...........

Quantitative Aptitude ( CCS) Time and work

A is thrice as good a workman as B and therefore able to finish a job in 48 days less than B working together ,they can do it in how many days together ?

13 days

15 days

18 days

12 days

छोटे Courses बड़े Results

Master Time and work

Prepare through Micro-courses

Try Now

Explanation:

Solution:
A:B
Efficiency=3:1
Time=1:3
Multiplying by 24 on both the sides ,
A’s=24 days
B’s=72 days
Therefore,2 units =48 days
1 units =24 days
Total work=No. of days *Efficiency
. 72*1
. =72
One day work of A and B is 3+1=4 units
A and B will complete the work in =72/4=18days.