you know it must look like
3xy
also 3+x+y = 5x
y = 4x - 3
if x = 1, y = 1 , number is 311 , but none are the same
if x = 2, y = 5, number is 325 , looks ok
if x = 3, y = 9 , number is 339, but none can be the same
if x = 4, y = 13, not possible
the number is 325
i am an odd number between 300 and 400.none of my digits are the same.the sum of the digits is five times my hundreds digit.
1 answer