Question

There is a certain number of articles in the warehouse.

Q: There is a certain number of articles in the warehouse. Each article is given distinct codes which i

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Each article is given distinct codes which is either a single digit number or two consecutive single digit numbers. Find the least number of digits to be used if there are 10 articles in the warehouse.

A 5

B 6

C 4

D 3

E 9

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There is a certain number of articles in the warehouse.

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