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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-2

  • question_answer
    Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equations on that basis? If \[72\times 19=23,13\times 48=35\]and \[16\times 43=18\] then \[39\times 22=?\]

    A)  27                 

    B)  51                  

    C)  31               

    D)  21                              

    Correct Answer: C

    Solution :

    \[72\times 19=23\Rightarrow (7\times 2+1\times 9=23)\] \[13\times 48=35\Rightarrow (1\times 3+4\times 8=35)\] \[16\times 43=18\Rightarrow (1\times 6+4\times 3=18)\] So,    \[39\times 22=?\Rightarrow (3\times 9+2\times 2=31)\]


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