# Mystery number

A mystery number is between 800 and 920. No digits are the same. The difference of the number is 5. What is the mystery number?

Result

x1 =  803
x2 =  812
x3 =  821
x4 =  830
x5 =  904
x6 =  913

#### Solution:

$x_{ 1 } = 803$
$x_{ 2 } = 812$
$x_{ 3 } = 821$
$x_{ 4 } = 830$
$x_{ 5 } = 904$
$x_{ 6 } = 913$

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Showing 1 comment:
Dr Math
The difference of the number is 5 - we calculate difference between digits is 5....

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