Game overview
A “divisibility rule” is a shorthand way of determining whether a given integer is divisible by a fixed divisor without performing the division, usually by examining its digits.
Every game session has from 10 to 20 questions (it depends from difficult level). Time for session execution is 25 seconds. In every question you should determine, is “divisibility rule” apply for a pair of numbers. The numbers chosen randomly. When all question answered or session timer was over, you can see total result.
Developer
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