Mystery number

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

Correct answer:

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

Step-by-step explanation:

$x_1=803$

$x_2=812$

$x_3=821$

$x_4=830$

$x_5=904$

$x_6=913$

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Showing 1 comment:

Dr Math

The difference of the number is 5 - we calculate difference between digits is 5....

3 years ago  Like

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