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A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M.?
- a)12 P.M.
- b)12.45 A.M.
- c)5 P.M
- d)11.45 A.M.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10...
Part of the tank filled in 1 hour by pipe A = 1/2
Part of the tank filled by both pipes in1 hour
So, Time taken to fill 2/3 part = 60 minutes
Time taken to fill 1/2 part
The tank will be filled at 11:45 A.M.
Part of the tank filled by both pipes in1 hour
So, Time taken to fill 2/3 part = 60 minutes
Time taken to fill 1/2 part
The tank will be filled at 11:45 A.M.
Most Upvoted Answer
A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10...
Calculating the Fill Rate of Pipe A and Pipe B
- Pipe A fills the tank in 2 hours, so its fill rate is 1/2 tank per hour.
- Pipe B fills the tank in 6 hours, so its fill rate is 1/6 tank per hour.
Determining the Combined Fill Rate
- When both pipes are open, their combined fill rate is 1/2 + 1/6 = 2/3 tank per hour.
Calculating the Time to Fill the Tank
- From 10 A.M. to 11 A.M., pipe A fills 1/2 tank.
- At 11 A.M., both pipes are open, and they can fill 2/3 tank per hour.
- Therefore, it will take 1/3 tank to fill the remaining portion of the tank.
- This will take 1/3 / (2/3) = 1/2 hour, which is 30 minutes.
Calculating the Final Time
- Adding 30 minutes to 11 A.M. gives us 11:30 A.M.
- Therefore, the tank will be filled at 11:30 A.M., which is option 'D'.
- Pipe A fills the tank in 2 hours, so its fill rate is 1/2 tank per hour.
- Pipe B fills the tank in 6 hours, so its fill rate is 1/6 tank per hour.
Determining the Combined Fill Rate
- When both pipes are open, their combined fill rate is 1/2 + 1/6 = 2/3 tank per hour.
Calculating the Time to Fill the Tank
- From 10 A.M. to 11 A.M., pipe A fills 1/2 tank.
- At 11 A.M., both pipes are open, and they can fill 2/3 tank per hour.
- Therefore, it will take 1/3 tank to fill the remaining portion of the tank.
- This will take 1/3 / (2/3) = 1/2 hour, which is 30 minutes.
Calculating the Final Time
- Adding 30 minutes to 11 A.M. gives us 11:30 A.M.
- Therefore, the tank will be filled at 11:30 A.M., which is option 'D'.
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A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M.?a)12 P.M.b)12.45 A.M.c)5 P.Md)11.45 A.M.Correct answer is option 'D'. Can you explain this answer? for SSC CGL 2026 is part of SSC CGL preparation. The Question and answers have been prepared according to the SSC CGL exam syllabus. Information about A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M.?a)12 P.M.b)12.45 A.M.c)5 P.Md)11.45 A.M.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC CGL 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M.?a)12 P.M.b)12.45 A.M.c)5 P.Md)11.45 A.M.Correct answer is option 'D'. Can you explain this answer?.
A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M.?a)12 P.M.b)12.45 A.M.c)5 P.Md)11.45 A.M.Correct answer is option 'D'. Can you explain this answer? for SSC CGL 2026 is part of SSC CGL preparation. The Question and answers have been prepared according to the SSC CGL exam syllabus. Information about A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M.?a)12 P.M.b)12.45 A.M.c)5 P.Md)11.45 A.M.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC CGL 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M.?a)12 P.M.b)12.45 A.M.c)5 P.Md)11.45 A.M.Correct answer is option 'D'. Can you explain this answer?.
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