8. A cistern can be filled by one tap in 2 1/2hours and by another in 3 3/4hours
to fill, if they are opened together?
Answers
Answered by
6
Answer:
3 hr
Step-by-step explanation:
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Answered by
1
Answer:
time taken by 1st tap = 2 & 1/2 hr = 2hr 30 min
time taken by 2nd tap = 3 & 3/4 hr = 3hr 75 min
if both are opened together:
= tap 1 - tap 2
= 2hr 30 min - 3hr 75 min
= 1 hr 15 min
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