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Railways R.R.C. (Hajipur) Solved Paper Held on 1st Shift 30-11-2014

  • question_answer
    Observe the trend and find out the missing character from the given alternatives?
    3 4 5
    3 7 12
    3 ? 22

    A) 8                                 

    B) 11

    C) 9                                 

    D) 10

    Correct Answer: B

    Solution :

    As,                    \[3\times 4-5=12-5=7\] and                   \[3\times 7-12=21-12=9\] In the same way, \[3\times ?-22=11\] \[3\times ?=33\] \[\therefore \]                  \[?=11\]


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