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3rd Class Mathematics Money Question Bank Money

  • question_answer
    The table below shows the cost of different number of tennis balls at a store.
    Tennis ball Costs
    Number of Tennis balls Total Cost (in Rs.)
    1 ?
    3 27
    6 54
    9 81
    Based on the pattern in the table, what is the cost of one tennis ball?

    A) Rs.18                   

    B) Rs.3

    C) Rs.6                      

    D) Rs.9  

    Correct Answer: D

    Solution :

    • We observed that,
    • \[3\times 9=27\]
    • \[6\times 9=54\]
    • \[9\times 9=81\]
    • So, the cost of one tennis ball \[=1\times 9=\text{Rs}\text{.}\,9\]


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