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MathNet 2017-part-06 — 176 problems (EN–VI) Question 53

Math Olympiad Vault · MathNet 2017-part-06 — 176 problems (EN–VI)

Question 53

How many 6-digit numbers are there that do not start with 0 and contain the number 2017 as a contiguous substring? For example, the number 820178 contains the contiguous substring 2017, but the number 820817 does not.
(A) 100
(B) 190
(C) 200
(D) 280
(E) 300