Subject
Bank Exam
Topic
Bangladesh Bank 2016 (Cash Officer)
3 pumps, working 8 hours a day can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?
3 pumps, working 8 hours a day can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?
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9খ)
10গ)
11ঘ)
12Explanation
3 pumps need 2 × 8 hours = 16 hours 1 pump needs 16 × 3 hours 4 pumps need (16 × 3)/4 hours = 12 hoursRelated questions
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