Q.19 A tap can fill a tank in 3 hours. Another tap can empty it in 3 hours. How long will it take to fill the tank, if
both the taps are open?
टैंप 3 घंटे में टैंक को भर देता है। एक दूसरा टैंप 5 घंटे में उसी टैंक को खाली कर देता है। अगर दोनों टैंप खुले हो तो, कितने समय में टैंक
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Answers
Answered by
12
Answer:
ANSWER
Tap A can fill 1 tank in 8 hours
Tap A fills in 1 hour =81tank
Tap B can empty 1 tank in 12 hours.
Tap B empties in 1 hour=121tank
Both taps will fill in 1 hour =(81−121)tank
=243−2
=241
Hence, the tank will be filled completely in 24 hours
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2
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