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  5. Comparing Quantities

8th Class Mathematics Comparing Quantities Question Bank Commercial Mathematics

  • question_answer
    The average of first 10 multiples of 7 is ????..

    A) 40                   

    B)          38.5

    C) 42.5                

    D)          45

    Correct Answer: B

    Solution :

    Average = \[\frac{7+14+21+28+35+42+49+56+63+70}{10}\] \[=\frac{385}{10}=38.5\]


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