Railways R.R.C. (Chennai) Solved Paper Held on 17-11-2013

  • question_answer A man has 350 watches. He sells 'w' watches everyday. What is the algebraic expression to show the number of watches he will be left with after weeks?

    A) \[350-tw\]                      

    B) \[350-7tw\]

    C) \[350-(r+w)\]                 

    D) \[350-(t-w)\]

    Correct Answer: B

    Solution :

    The man has watches = 350 He sells watches everyday = w So, he sells watches in t weeks = 7tw Now, the number of watches he will be left with after ?t? weeks   = 350 - 7tw \[350-7tw\]


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