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Mathematics, 19.09.2021 18:40 tonhill6923
Alan has forgotten his 4-digit PIN code.
He knows the second digit is 3, and the 4 digits make a number divisible by 5.
How many different sets of 4 digits could it be?
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Answers: 1
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Alan has forgotten his 4-digit PIN code.
He knows the second digit is 3, and the 4 digits make a n...
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