1.

A rectangular water reservoir is 15 m by 12 m at the base. Water flows into it through a pipe whosecross-section is 5 cm by 3 cm at the rate of 16 m per second. Find the height ot which the water will rise in the reservoirin 25 minutes :

Answer»

0.2 m
2 cm
0.5 m
none of these

Answer :A


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