Subject
Bank Exam
Topic
IFIC Bank Ltd. MTO 2013
A pipe of 2 inch diameter fills a water tank in one hour. If the diameter of the pipe is 4 inch in what time the pipe fill the same tank?
A pipe of 2 inch diameter fills a water tank in one hour. If the diameter of the pipe is 4 inch in what time the pipe fill the same tank?
ক)
10 minutesখ)
15 minutesগ)
30 minutesঘ)
45 minutesExplanation
For the first pipe, the area is: Pi * 22 = Pi * 4 For the second pipe, the area is: Pi * 42 = Pi * 16 Now, pipe with Pi * 4 sq. inch area can fill the tank in 1 hour or 60 min pipe with Pi * 16 sq. inch area can fill the tank in 1 hour or (60 * Pi * 4) / (Pi * 16) min = (60 / 4) min = 15 minutesRelated questions
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