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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 tanker from empty state if B is used for half the time and A and B fill it together for the other half?
- a)15 min
- b)20 min
- c)27.5 min
- d)30 min
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
A large tanker can be filled by two pipes A and B in 60 minutes and 40...
A = 60 2 120
B = 40 3 120
Suppose it will take x minute
3x/2 + 5x/2 = 120
8x=240
x = 30 min
Most Upvoted Answer
A large tanker can be filled by two pipes A and B in 60 minutes and 40...
Given data:
Pipe A fills the tanker in 60 minutes.
Pipe B fills the tanker in 40 minutes.
Approach:
Let the total capacity of the tanker be 120 units (LCM of 60 and 40).
Pipe A fills 2 units per minute.
Pipe B fills 3 units per minute.
Let pipe B be used for x minutes and both pipes A and B be used for (120-x) minutes.
Calculation:
According to the question,
(2x) + (3(120-x)) = 120
=> 2x + 360 - 3x = 120
=> -x = -240
=> x = 240/2
=> x = 120
Therefore, pipe B is used for 120 minutes and pipes A and B are used for (120-120) = 0 minutes.
Thus, the total time taken to fill the tanker is 120 minutes or 2 hours.
Answer:
Hence, the correct answer is option D, 30 minutes which is not correct. The correct answer is 120 minutes or 2 hours.
Pipe A fills the tanker in 60 minutes.
Pipe B fills the tanker in 40 minutes.
Approach:
Let the total capacity of the tanker be 120 units (LCM of 60 and 40).
Pipe A fills 2 units per minute.
Pipe B fills 3 units per minute.
Let pipe B be used for x minutes and both pipes A and B be used for (120-x) minutes.
Calculation:
According to the question,
(2x) + (3(120-x)) = 120
=> 2x + 360 - 3x = 120
=> -x = -240
=> x = 240/2
=> x = 120
Therefore, pipe B is used for 120 minutes and pipes A and B are used for (120-120) = 0 minutes.
Thus, the total time taken to fill the tanker is 120 minutes or 2 hours.
Answer:
Hence, the correct answer is option D, 30 minutes which is not correct. The correct answer is 120 minutes or 2 hours.
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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 tanker from empty state if B is used for half the time and A and B fill it together for the other half?
a)15 minb)20 minc)27.5 mind)30 minCorrect answer is option 'D'. Can you explain this answer?
Question Description
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 tanker from empty state if B is used for half the time and A and B fill it together for the other half? a)15 minb)20 minc)27.5 mind)30 minCorrect answer is option 'D'. Can you explain this answer? for LR 2024 is part of LR preparation. The Question and answers have been prepared according to the LR exam syllabus. Information about 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 tanker from empty state if B is used for half the time and A and B fill it together for the other half? a)15 minb)20 minc)27.5 mind)30 minCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for LR 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 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 tanker from empty state if B is used for half the time and A and B fill it together for the other half? a)15 minb)20 minc)27.5 mind)30 minCorrect answer is option 'D'. Can you explain this answer?.
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 tanker from empty state if B is used for half the time and A and B fill it together for the other half? a)15 minb)20 minc)27.5 mind)30 minCorrect answer is option 'D'. Can you explain this answer? for LR 2024 is part of LR preparation. The Question and answers have been prepared according to the LR exam syllabus. Information about 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 tanker from empty state if B is used for half the time and A and B fill it together for the other half? a)15 minb)20 minc)27.5 mind)30 minCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for LR 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 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 tanker from empty state if B is used for half the time and A and B fill it together for the other half? a)15 minb)20 minc)27.5 mind)30 minCorrect answer is option 'D'. Can you explain this answer?.
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a)15 minb)20 minc)27.5 mind)30 minCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for LR.
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