Railways R.R.C. (Ajmer) Solved Paper Held on 1st Shift 2-11-2014

  • question_answer 11) The average weight of 16 boys in a class is \[50-25\]kgs and that of the remaining 8 boys is \[45-15\]kgs. Find the average weight of all the boys in the class?

    A) 38-55 kgs                      

    B) 48 kgs

    C) 48-55 kgs                      

    D) None of these

    Correct Answer: C

    Solution :

    Required average weight of all the boys in  class                                        \[=\frac{16\times 50.25+8\times 45.15}{24}kg\] \[=\frac{804+361.20}{24}kg\] \[=48.55\,\,kg\]   

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