, Let a be a positive integer, where the positive difference of every two digits of a in base 10 are all written on a board. If some of the numbers are erased and only the numbers 2, 0, 2 and 2 are left, what is the least possible value of a? (A) 1011 (B) 1112 (C) 1113 (D) 2000 (E) 2022 D B

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15. Let a be a positive integer, where the positive difference of every two digits of a
in base 10 are all written on a board. If some of the numbers are erased and only
the numbers 2, 0, 2 and 2 are left, what is the least possible value of a?
(A) 1011
(B) 1112
(C) 113
(D) 2000
(E) 2022
O A
Transcribed Image Text:15. Let a be a positive integer, where the positive difference of every two digits of a in base 10 are all written on a board. If some of the numbers are erased and only the numbers 2, 0, 2 and 2 are left, what is the least possible value of a? (A) 1011 (B) 1112 (C) 113 (D) 2000 (E) 2022 O A
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