perplexus.info :: Numbers : Two Digit Average

Two Digit Average (Posted on 2007-05-04)

There is a two digit number with the unique property that if a decimal point is inserted between the two digits, the resulting number is the average of the digits. What is the number?

Submitted by Brian Smith

Rating: 3.2500 (4 votes)

Solution: (Hide)

The number is 45.
(4+5)/2 = 4.5

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

Subject	Author	Date
Solution	Dej Mar	2007-05-04 14:08:35
An Alternate Methodology	K Sengupta	2007-05-04 11:26:06
Busy Busy Busy [spoiler]	Vernon Lewis	2007-05-04 09:22:21
Solution	hoodat	2007-05-04 09:18:37

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