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Railways Sample Paper RRB (Group D) Sample Test Paper-3

  • question_answer
    If + means \[\div \,,\,-\] means \[\times ,\] \[\times \] means \[+,\,\div \] means \[-,\]give the value for \[45+9-\,3\times 15\div 2\]

    A)  40

    B)                     36

    C)  56                   

    D)  28

    Correct Answer: D

    Solution :

    [d] 
    \[+\Rightarrow \div \] \[-\Rightarrow \times \]
    \[\times \Rightarrow +\] \[\div \Rightarrow -\]
    \[45+9-\,3\times 15\div 2\] \[\Rightarrow \,?=45\div 9\times 3+15-\,2\] \[\Rightarrow \,?=5\times 3+15-\,2\] \[\Rightarrow \,?=30-\,2=[28]\]


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