SOLUTION: The digit at ten's place of a two-digit number is three times the digit at unit's place. The number obtained by interchanging the digits is less than the original number by 36. Fin
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Question 779577: The digit at ten's place of a two-digit number is three times the digit at unit's place. The number obtained by interchanging the digits is less than the original number by 36. Find the original number. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! let the number be xy
x=3y....................(1)
10y+x=10x+y-36
9y-9x=-36
/9
y-x=-4..................(20
substitute x
y-3y=-4
-2y=-4
y=2
x=3y
so x=6
The number is 62
