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MEDIUM
ENGLISH
Mathematics
The water in a rectangular reservoir having a base 80m by 60m is 6.5m deep.In what time can the water be amplified by a pipe of which the cross section is a square of a side 20cm if the water runs through the pipe at the rate of 15km per hour?
A
26hours
Option A
B
42hours
Option B
52hours
Correct answer
D
65hours
Option D
Correct answer: C
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