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Further Descending Integers (Posted on 2006-10-19)

Consider all possible positive whole numbers less than 10,000,000 not containing the digit 2. These numbers are now arranged in descending order of magnitude.

What would be the 2,222,222nd number?

Now consider all possible positive whole numbers less than 10,000,000 not containing the digits 1 and 2. These numbers are now arranged in descending order of magnitude.

What would be the 1,212,121st number?

Submitted by K Sengupta

Rating: 4.0000 (1 votes)

Solution: (Hide)

(A) 5,843,715

(B) 5,500,669

EXPLANATION: The methodology furnished by Eric is provided in this location.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Hi KS	Josie Faulkner	2006-10-23 18:14:46
Solution	Eric	2006-10-19 16:12:58

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