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Two pipes P and Q would fill a cistern in 24 hours and 32 hours respectively. If both pipes are opened together, find when the pipe “P” must be turned off so that the cistern may be just filled in 16 hours-
5Q:
Two pipes P and Q would fill a cistern in 24 hours and 32 hours respectively. If both pipes are opened together, find when the pipe “P” must be turned off so that the cistern may be just filled in 16 hours-
- 1After 8 hrsfalse
- 2After 12 hrstrue
- 3After 14 hrsfalse
- 4After 16 hrsfalse
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