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SSC Sample Paper SSC CGL - Sample Paper-27

  • question_answer
    If cylindrical tank of diameter 35 cm is full of water. If 1 : 1 of water of drawn off. The water level of tank will drop by \[\left( \text{use}\,\,\pi =\frac{22}{7} \right)\]

    A) 22 cubic m                    

    B) 36 cubic m

    C) 40 cubic m                    

    D) 44 cubic m

    Correct Answer: D

    Solution :

    Let h be the height of water level which will be dropped. \[\therefore \]      \[11=\pi {{\left( \frac{35}{2} \right)}^{2}}\times h\] \[\Rightarrow \]   \[11000=\frac{22}{7}\times \frac{35}{2}\times \frac{35}{2}\times h\] \[\Rightarrow \]   \[h=\frac{11000\times 7\times 2\times 2}{22\times 35\times 35}=11\frac{3}{7}\,cm\]


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