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Question
```Q2. Pipe A takes 16 min to fill a tank. Pipes B and C, whose
cross-sectional circumferences are in the ratio 2:3, fill
another tank twice as big as the first. If A has a
cross-sectional circumference that is one-third of C, how
long will it take for B and C to fill the second tank?
(Assume the rate at which water flows through a unit
cross-sectional area is same for all the three pipes.)```
Question Submitted By :: Vaibhav
I also faced this Question!!     Rank Answer Posted By

Re: Q2. Pipe A takes 16 min to fill a tank. Pipes B and C, whose cross-sectional circumferences are in the ratio 2:3, fill another tank twice as big as the first. If A has a cross-sectional circumference that is one-third of C, how long will it take for B and C to fill the second tank? (Assume the rate at which water flows through a unit cross-sectional area is same for all the three pipes.)
# 1
Circumference units -> C = 1; B = 2/3; A = 1/3
Pipe cross sectional area units -> C = 1; B = 4/9; A = 1/9
Time = volume/ flow rate
Flow rate = constant x cross section area
Using the above, we can derive the time taken by B and C to
fill the tank, which twice the size of what A fills.
Solving, we get

 Is This Answer Correct ? 33 Yes 8 No
Manish Thakur

Re: Q2. Pipe A takes 16 min to fill a tank. Pipes B and C, whose cross-sectional circumferences are in the ratio 2:3, fill another tank twice as big as the first. If A has a cross-sectional circumference that is one-third of C, how long will it take for B and C to fill the second tank? (Assume the rate at which water flows through a unit cross-sectional area is same for all the three pipes.)
# 2
the pipe B and c takes 32 minutes to fill the second tank
 Is This Answer Correct ? 3 Yes 6 No
Naveen

Re: Q2. Pipe A takes 16 min to fill a tank. Pipes B and C, whose cross-sectional circumferences are in the ratio 2:3, fill another tank twice as big as the first. If A has a cross-sectional circumference that is one-third of C, how long will it take for B and C to fill the second tank? (Assume the rate at which water flows through a unit cross-sectional area is same for all the three pipes.)
# 3
8 mins

 Is This Answer Correct ? 1 Yes 1 No
Guest

Re: Q2. Pipe A takes 16 min to fill a tank. Pipes B and C, whose cross-sectional circumferences are in the ratio 2:3, fill another tank twice as big as the first. If A has a cross-sectional circumference that is one-third of C, how long will it take for B and C to fill the second tank? (Assume the rate at which water flows through a unit cross-sectional area is same for all the three pipes.)
# 4
A takes 16 min for frist tank.. B and C circumfrence is 2:3... And A circum is one third of C so A is 1/3... Now
we have to fill twice the frist tank so A takes 32 min to fill.. B and C fills 5 time of A then ... So 32/5 is 6.4 min...

 Is This Answer Correct ? 3 Yes 2 No
Prakash

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