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UKMT Pink Kangaroo, 2021

Number theory Difficulty 3.0 AMC 10/12 Find the answer United Kingdom

The number 2021 has a remainder of 5 when divided by 6, by 7, by 8, or by 9. How many positive integers are there, smaller than 2021, that have this property?

(A) 44 (B) 33 (C) 22 (D) 11 (E) none

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