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An empty pool is being filled by hose t. How long will it take hose t to fill the pool?
(1) Hose t and hose j together can fill a pool in 6 hours.
(2) Hose t fills two-thirds of the pool in 12 hours.
(1) Hose t and hose j together can fill a pool in 6 hours.
(2) Hose t fills two-thirds of the pool in 12 hours.
15 Mar 2017, 00:40
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Statmnt 1 does not tell anything about the other hose.Not sufficient.
Statmnt 2 alone is sufficient. Hose t will take 18 hours.
Statmnt 2 alone is sufficient. Hose t will take 18 hours.
