2. Sample Papers
  3. Railways

Railways Sample Paper RRB (Group D) Sample Test Paper-2

  • question_answer
    If water is freezed to become ice, its volume is increased by 10%, then if the ice is melted to water again, its volume will be decreased by:

    A)  \[8%\]              

    B)  \[9\frac{1}{2}%\]

    C)  \[9%\]                          

    D)  \[9\frac{1}{11}%\]

    Correct Answer: D

    Solution :

    [d] Let initial volume .=100 Volume after increase \[=100\times \frac{110}{100}=110\] So, decrease \[=\frac{110-100}{110}\times 100\] \[=\frac{10}{110}\times 100=9\frac{1}{11}%\]


You need to login to perform this action.
You will be redirected in 3 sec spinner