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    Question

    The average number of books sold by Viren in first 5

    months is 3000 and in first 6 months is 3800. If the number of books sold by him in 7th month is 30% less than that in 6th month, then find the total number of books sold in the seventh month.
    A 6660 Correct Answer Incorrect Answer
    B 4290 Correct Answer Incorrect Answer
    C 6960 Correct Answer Incorrect Answer
    D 5460 Correct Answer Incorrect Answer

    Solution

    Number of books sold by Viren in first 5 months = 3000 ├Ч 5 = 15000 Number of books sold by Viren in first 6 months = 3800 ├Ч 6 = 22800 Number of books sold by Viren in 6th┬аmonth = 22800 - 15000 = 7800 Therefore, number of books sold by Viren in 7th┬аmonth = 7800 ├Ч 0.70 = 5460

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