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

  • question_answer
    DIRECTIONS: Select the missing number from the given responses.
    10 15 15
    12 12 8
    4 12 10
    10 5 13
    18 20 ?

    A)  21                   

    B)  20

    C)  23                   

    D)  22

    Correct Answer: C

    Solution :

    [c] First Column \[10+12+4+10=36\] \[\frac{36}{2}=18\] Second Column \[11+12+12+5=40=\frac{40}{2}=20\] Third Column \[15+8+10+13=46=\frac{46}{2}=[23]\] \[\therefore \,\,r=3\,\,cm\]


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