Answers

2014-03-02T10:44:45+05:30
Say the depth of the tank be H m

=> Volume of tank(l x b x h) = 6 m × 3.5 m × H m

=> 21 H m^3 = 42000 l = 42 m^3
=> H=42/21=2

So, the depth of the water tank is 
2 m
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