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A number consists of 3 digits whose sum is 10.
The middle digit is equal to the difference of the other two and the number will be increased by 99 if its digits are reversed.
What is the square of the number?
xyz- is the number and we have:
(3) => 99z-99x=99 => z-x=1 => z=x+1
(2) => y=z-x=x+1-x=1
(1) => x+y+z=x+1+(x+1)=10 => x=4 => z=5
514 is the number
5+1+4 = 10
514 - 415 = 99
I'm thinking of a number.
What is the number?
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