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Almost a Million

Stage: 3 Short Challenge Level: Challenge Level:1

Which of the following is divisible by 6?

(a) one million minus one
(b) one million minus two
(c) one million minus three
(d) one million minus four
(e) one million minus five

If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.
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