Railways R.R.C. (Delhi) Solved Paper Held on 1st Shift 23-11-2014

  • question_answer The average of two numbers is 2 (a + b) If one number is 4a then the other number is?

    A) 2b                                

    B) 4b

    C) \[2a-2b\]                       

    D) \[2b-2a\]

    Correct Answer: B

    Solution :

    The other number \[=4\,\,(a+b)-4a\] \[=4b\]


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