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Is this number divisible by 125? Half the time the number is, half the time it isn't. Steps give the divisibility test.

Is this number divisible by 20? Half the time the number is, half the time it isn't.

Is this number divisible by 50? Half the time the number is, half the time it isn't. Steps give the divisibility test and a way to determine the number of fifties.

Is this number divisible by 5? Half the time the number is, half the time it isn't. Steps give the divisibility test and a way to determine the number of fives.

Is this number divisible by 2? Half the time the number is, half the time it isn't. Steps give the divisibility test.

Is this number divisible by 5? Half the time the number is, half the time it isn't. Steps give the divisibility test and a way to determine the number of fives.

Is this number divisible by 9? Half the time the number is, half the time it isn't. Steps give the divisibility test.

Is this number divisible by 25? Half the time the number is, half the time it isn't. Steps give the divisibility test and a way to determine the number of twenty-fives.

Is this number divisible by 2? Half the time the number is, half the time it isn't. Steps give the divisibility test.

Is this number divisible by 10? Half the time the number is, half the time it isn't. Steps give the divisibility test and a way to determine the number of tens.