Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank completely ?

A) 6 min. to empty B) 6 min to fill C) 9 min. to empty D) 9 min. to fill
(Wipro Question)
Asked by Priya kumari
zeeshan   3
7 years ago
vikas bhardwaj   tank will be filled in 3 hour
7 years ago
niraj   tank will be filled in 3:45 hours.
7 years ago
debadatta biswal   3 hr

7 years ago
hrishi kant upadhyay   unsatisfactory ans
7 years ago
kamil   6mins
7 years ago
ANUP KUMAR   pipe A 1hr work = 1/5
pipe B 1hr work = 1/10
pipe C 1hr work = 1/30
total work done by (A+B+C)=(1/5+1/10+1/30)=1/3
Hence it ill take 3hr to ill th tank completely
7 years ago
MANOJ   The options are given wrong....the ans is 3 hours..!!!!!!!
7 years ago
sandeep   6 mins to empty....
7 years ago
karthickeyan   3hours :)
7 years ago
manvir singh   question is wrong .....ans is 3hrs!
6 years ago
jyoti   3 hours.
6 years ago
rahul   3 hrs....no option...oops
6 years ago
Ramchandra   Ans is 3hrs.
6 years ago
rakhi   3hrs.......:)
6 years ago
janardhana   Yes. options given are wrong......answer is 3 hours
5 years ago
NILESH   question not completed
5 years ago
ABDULZAMEER SHAIK   3 HRS
5 years ago
Govind Singh Choudhary   3 hrs
5 years ago
d.ayyappa   3hrs
4 years ago
swati   6 hrs
3 years ago

Smiley