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2 articles trouvés pour ce sujet.
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Filling a cistern with two pipes |
2008-05-14 |
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ramya pose la question :
two pipes P and Q would fil a cistern in 30 mins and 40 mins respectively.
both pipes being opened. find when the first pipe be turned off so that the cistern may be just filled in 20 mins.
options:
1. after 10 mins
2. after 15 mins
3. after 20 mins
4. after 25 mins
Stephen La Rocque lui répond. |
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The volume of a cistern |
2007-07-19 |
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sharon pose la question :
We have a cistern to hold spring water that measures 12 feet in depth by 5 feet in diameter. How much in liquid gallons will it hold?
Penny Nom lui répond. |
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