CLAT CLAT Solved Paper-2010

  • question_answer
    Directions From the four answers given, shade the appropriate answer in the space provided for it on the OW Answer Sheet.
    The average age of 29 boys of a class is equal to 14 yr. When the age of the class teacher is included the average becomes 15 yr. Find the age of the class teacher

    A) 44yr                            

    B) 40yr

    C) 52yr                            

    D) 66yr

    Correct Answer: A

    Solution :

    Ans.     Total number of boys = 29 Average age = 14 yr So, total age of boys \[=29\times 14=406\] 15 yr and total persons will be 30. So, total age \[=30\times 15=450\] So, age of the teacher = 450 - 406 = 44 yr


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