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While working with 75% of its efficiency a pipe can fill a tank in 80 minutes. In how many minutes can the pipe fill the tank while working with 100% efficiency?
  • a)
    50
  • b)
    60
  • c)
    75
  • d)
    90
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
While working with 75% of its efficiency a pipe can fill a tank in 80 ...

Hence, Option B is correct.
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Community Answer
While working with 75% of its efficiency a pipe can fill a tank in 80 ...
Given Data:
- Efficiency of the pipe = 75%
- Time taken to fill the tank at 75% efficiency = 80 minutes

Calculation:
- Let the total capacity of the tank be 100 units.
- Efficiency of the pipe at 75% = 75/100 = 3/4
- Work done by the pipe in 1 minute = 100/80 = 5/4

Working at 100% Efficiency:
- Work done by the pipe in 1 minute at 100% efficiency = 5/4 * (100/75) = 5/3

Time taken to fill the tank at 100% Efficiency:
- Time taken to fill the tank at 100% efficiency = 100 / (5/3) = 60 minutes
Therefore, the pipe can fill the tank in 60 minutes while working with 100% efficiency. So, the correct answer is option 'B' 60.
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While working with 75% of its efficiency a pipe can fill a tank in 80 minutes. In how many minutes can the pipe fill the tank while working with 100% efficiency?a)50b)60c)75d)90Correct answer is option 'B'. Can you explain this answer?
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