Answer :

Ananya17
Let 2 digit be 10y+x A.t.s 10y+x+27=10x+y 10y-y+27=10x-x 9y+27=9x 9(y+3)/9=x y+3=x 9y+27=9(y+3) 9y+27=9y+27 9y-9y=27-27 Y=0 As x=y+3 x=0+3=3 X=3 Y=0 Therefore ans.=03+27=30

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