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18 March, 09:04

A month with 31 days has the same number of Mondays and Wednesdays. How many of the seven days of the week could be the first day of this month? a. 2b. 3c. 4d. 5e. 6

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  1. 18 March, 09:17
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    Answer: b. 3

    Therefore, we will have the same number of Mondays and Wednesdays if the first day is either Monday, Thursday or Friday. Making 3 possible days

    Step-by-step explanation:

    Given that there are 31 days in the month.

    And there are equal number of Mondays and Wednesdays within a 7 day bracket.

    30 - 4 (7) = 3days

    After four weeks we are left with three days.

    So, if the first day is;

    Monday - we will have 5 Mondays and Wednesdays each

    Tuesday - we have more Wednesday

    Wednesday - we will have more Wednesday

    Thursday - we will have 4 Mondays and Wednesdays each

    Friday - we will have 4 Mondays and Wednesdays each

    Saturday - we will have more Monday

    Sunday - we will have more Monday

    Therefore, we will have the same number of Mondays and Wednesdays if the first day is either Monday, Thursday or Friday. Making 3 possible days
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