perplexus.info :: Just Math : Way to minimum and maximum

Way to minimum and maximum (Posted on 2009-04-08)

In the following equation, each of the x’s as well as each of W, A and Y represents a decimal digit from 0 to 9 whether same or different. None of the numbers can contain any leading zero.

(WAY)*(WAY) = (xxxxxxWAY)/1983

What are the respective minimum value and the maximum value of WAY?

Submitted by K Sengupta

Rating: 3.0000 (2 votes)

Solution: (Hide)

The respective minimum value and the maximum value of WAY are 272 and 647.

For an explanation, refer to the analytical solution submitted by Jer in this location, and the computer-program assisted solution submitted by Charlie in this location.

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*** Based on JRM 1179 by Yoshiyuki Miyata.

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

Subject	Author	Date
Solution	Dej Mar	2009-04-08 18:29:16
computer solution including the xxxxxx' es	Charlie	2009-04-08 17:42:02
analytic solution	Jer	2009-04-08 14:23:14
Odd man out / solution	ed bottemiller	2009-04-08 12:58:16

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