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A tap can fill a tank in 20 minutes. If a leakage is capable of emptying the tank in 60 minutes, the tank will be filled in
- A1 hour
- B45 minutes
- C30 minutes
- D50 minutes
Answer not set
Discussion 1
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CCommunity
Part of the tank filled in one min = 1/20
Part of the tank emptied in one min = 1/60
⇒ Part of the tank to be filled due to leakage in one min = 1/20 - 1/60 = 2/60 = 1/30
∴ Tank will be filled in 30 minutes
Part of the tank emptied in one min = 1/60
⇒ Part of the tank to be filled due to leakage in one min = 1/20 - 1/60 = 2/60 = 1/30
∴ Tank will be filled in 30 minutes