A) 2 m
B) 5 m
C) 6 m
D) 8 m
Correct Answer: A
Solution :
[a] Volume of reservoir = 42000 L = 42 cu m Let the depth be x m. Then, \[6\times \frac{7}{2}\times x=42\]\[\Rightarrow \]\[x=2\,m\] \[\therefore \] Depth \[=2\,m\] |
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