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Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    Select the missing number from the given responses. \[\begin{matrix}    121 & 156 & 105  \\    145 & 187 & 126  \\    115 & 190 & \underline{?}  \\ \end{matrix}\]

    A)  231                 

    B)  225  

    C)  255                 

    D)  305

    Correct Answer: B

    Solution :

    [b] \[156-\,121=35\times 3=105\] \[187-\,145=42\times 3=126\] \[190-\,115=75\times 3=[225]\]


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