A) 100 hrs
B) 90hrs
C) 80hrs
D) 60 hrs.
Correct Answer: A
Solution :
[a] Volume of the reservoir \[=\left( 10\times 9\times 3 \right){{m}^{3}}\] \[=270\text{ }{{m}^{3}}\] Capacity of the reservoir \[=\text{ }270\times 1000\]litres Time to empty the reservoir \[=\frac{270\times 1000}{45\times 60}\] hrs = 100 hrs.You need to login to perform this action.
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