The sum of the digits of a three numbers is 18, if the tens digit of the number is two-thirds the unit digit, and the units digits is thrice the hundreds digit, then which of the ff is the number?

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Answer 1 · 2018-05-16T13:27:29

"which of the ff is the number?" don't understand this bot the three digit number is 369.

If the number is xyz then x+y+z=18.

z is thrice the hundreds digit so z=3x

y is #2/3# of 3x = 2x

so x+2x+3x=18

6x=18

x=3

If x=3, y=6 and z=9