Pipes and Cistern 10 questions for ssc

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__Pipes and Cistern 10 questions for ssc__
Q1. Two pipes A and B can fill a tank in 20 minutes and 30 minutes
respectively. If both pipes are opened together, the time taken to fill the
tank is:

a) 50 minutes b) 12 minutes c) 25
minutes d) 15 minutes

Q2. Three tapes A, B, C can fill a tank in 12, 15, and 20 hours
respectively. If A is open all the time and B and C are open for one hour each
alternatively, the tank will be full in:

a) 6 hours b) 13/2 hours c) 7 hours
d) 15/2 hours

Q3. A tap can empty a tank in one hour. A se cond tap can empty it in 30
minutes. If both the taps operate simultaneously, how much time is needed to
empty the tank?

a) 20 minutes b) 30 minutes c) 40 minutes
d) 45 minutes

Q4. A pump can fill a tank with water in 2 hours. Because of a leak in
the tank it was taking 7/3 hours to fill the tank. Leak can drain all the water
off the tank in:

a) 8 hours b) 7 hours c) 13/3/ hours
d) 14 hours

Q5. A pipe can fill a tank with water in 3 hours. Due to leakage in
bottom, it takes 7/2 hours to fill it. In what time the leak will empty the
fully filled tank?

a) 12 hours b) 21 hours c) 13/2 hours
d) 21/2 hours

Q6. Two pipes A and B can fill cistern in 75/2 minutes and 45 minutes
respectively. Both pipes are opened. The cistern will be filled just in half an
hour, if the pipe B is turned off after:

a) 15 minutes b) 10 minutes c) 5 minutes
d) 9 minutes

Q7. Two pipes can fill a tank with water in 15 and 12 hours
respectively, and a third pipe can empty it in 4 hours. If the pipes be opened
in order, at 8, 9 and 11 a.m. respectively, the tank will be emptied at

a) 11:40 am b) 12:40am c) 1: 40 pm d)
2: 40 pm

Q8. A tank can be filled with water by two pipes A and B together in 36
minutes. If the pipe B was stopped after 30 minutes, the tank is filled in 40
minutes. The pipe B can alone fill the tank in

a) 45 minutes b) 60 minutes c) 75 minutes
d) 90 minutes

Q9. A tank has a leak which would empty the completely filled tank in 10
hours. If the tank is full of water and a tap is opened which admits 4 litres
of water per minute in the tank, the leak takes 15 hours to empty the tank. How
many litres of water does the tank hold?

a) 2400 b) 4500 c) 1200 d)
7200

Q10 Three pipes A, B, and C can fill a cistern in 6 hours. After working
at it together for 2 hours, C is closed and A and B fill it in 7 hours more.
The time taken by C alone to fill the cistern is

a) 14 hours b) 15 hours c) 16 hours
d) 17 hours

__Answer key__

1b 2c 3a 4d 5 b 6d 7 a 8 d 9d 10 a

If you have any difficulty in solving or want to know any short you may
put your queries in comment section below this post.

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