A rectangular tank is 30m long 20m broad. Water is being flown into it through a square pipe of side 5cm. What is the speed of water if the level of water in the tank rises by 1m in 8 hours?
30km/h
36km/h
40km/h
Noneofthese
A
30km/h
B
36km/h
C
40km/h
D
Noneofthese
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