Subject
Bank Exam
Topic
Exim Bank Trainee Officer 2015
A 12 gallon tub has a faucet that lets water in at a rate of 3 gallons per minute, and has a drain that lets water out at a rate of 5 gallons per minute. If you start with 3 gallons of water in the tub, how long will it take to fill the tub completely?
A 12 gallon tub has a faucet that lets water in at a rate of 3 gallons per minute, and has a drain that lets water out at a rate of 5 gallons per minute. If you start with 3 gallons of water in the tub, how long will it take to fill the tub completely?
ক)
6 minutesখ)
7minutesগ)
8 minutesঘ)
9 minutesExplanation
12 gallon tub,with 3 gallons of water in the tub: needs {{{9Gal}}} to fill water in at 3 gal/min, and out at a rate of 1.5 gal/min: Net in at {{{1.5gal/min}}} {{{9gal/1.5 (gal/min)}}} = 6 minRelated questions
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