One's digit can be any number from the set 1,2,3,4
So tens digit can be from the set - 6,7,8,9
100'S DIGIT is 8 less than ten's digit.
The only option of 100's digit is 1. ( since if its 2 or above, it becomes 2 digits)
thus ten's digit = 1+ 8 = 9
. Thus one's digit = 9-5 = 4.
The three digit number = 194