A large tanker can be filled by two pipes A
and B
in 60 minutes and 40 minutes, respectively. How many minutes will it take to fill the empty tanker if only B
is used in the first-half of the time and A
and B
are both used in the second-half of the time?
A. 15
B. 20
C. 27.5
D. 30
A large tanker can be filled by two pipes A
and B
in 60 minutes and 40 minutes, respectively. How many minutes will it take to fill the empty tanker if only B
is used in the first-half of the time and A
and B
are both used in the second-half of the time?
A. 15
B. 20
C. 27.5
D. 30
Harshit Singh , 3 Years ago
Grade 12th pass
