Mathematics
Medium
Question
A tank is 7m long and 4m wide at what speed should water run through pipes 5cm broad and 4cm deep so that in 6 hours and 18 minutes, the water level in the tank rises by 4.5cm?
A
12km/hr
B
10km/hr
✓ Official correct answer
C
14km/hr
D
None of these
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A
12km/hr
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B
10km/hr
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C
14km/hr
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D
None of these
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