perplexus.info :: Probability : Square and Consecutive Settlement

Square and Consecutive Settlement (Posted on 2010-09-10)

Determine the probability that for a base 11 perfect square P chosen at random between 1,000,000,000 (base 11) and A,AAA,AAA,AAA (base 11) inclusively, the five digit number formed by the last five digits of P (reading left to right) is precisely one more than the number formed by the first five digits.

Submitted by K Sengupta

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Solution: (Hide)

The required probability is 5/112,492.

For an explanation, refer to the solution posted by Charlie in this location.

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

	Subject	Author	Date
	computer solution	Charlie	2010-09-10 14:16:29

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