In the Kangaroo republic each month consists of 40 days, numbered 1 to 40. Any day whose number is divisible by 6 is a holiday, and any day whose number is a prime is a holiday. How many times in a month does a single working day occur between two holidays?
Select one option, then click Submit.
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2
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Select an option, then submit.
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Pink Kangaroo 2016 (2016)
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