Asked by sabah

There is a mystery number between 337 and 400.
the sum of all the digits is 12.
what is the mystery number?
Answered by scott
take your pick ...

345 , 354 , 363 , 372 , 381 , 390
Answered by Reiny
let the unit digit be x and the tens digit be y
so 3 + x + y = 12
x+y = 9
and the lead digit has to be 3, so possible cases
345
354
363
372
381
390

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Answered by Freddie
the answer is 363
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