Aptitude - Question 20

+5 votes
A can do 1/6 work in 4 days and B can do 1/5 of the same work in 6 days. 
In how many days both will finish the work?
(A) 14.25 
(B) 12.5
(C) 13.5 
(D) 13.33
asked May 10 in Aptitude by getgatebook (31,140 points)
reshown May 11 by getgatebook

1 Answer

+5 votes
 
Best answer
A can finish complete work in 24 days

B can finish complete work in 30 days

total work can be assumed as LCM (24, 30 ) that is 120  units.

amount of work done by A in 1 day is 5 units .

similarly for B it is 4  units.

now total time taken if both work

120 /9 that is  13.33
answered May 11 by tsankitjha910 (3,640 points)
selected May 11 by getgatebook
Answer:
...