A) 5 h
B) 8 h
C) 10 h
D) 12 h
Correct Answer: D
Solution :
Part of the cistern filled in 1 \[h=\frac{1}{3}+\frac{1}{4}-\frac{1}{2}\] \[=\frac{4+3-6}{12}=\frac{1}{12}\] Hence, the cistern will be filled in 12 h.You need to login to perform this action.
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