A rectangular water tank is 80 m × 40 m. Water flows into it through – McqOptions

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1.	A rectangular water tank is 80 m × 40 m. Water flows into it through a pipe of 40 sq. cm at the opening at a speed of 10 km/hr. The water level will rise in the tank in half an hour is
A.	3/2 cm
B.	4/9 cm
C.	5/9 cm
D.	5/8 cm
Answer» E.

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