Question

solve solve solve please​

Answer 1

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Answer 2

Let the tens digit of the required no.be X and the units digit be y. Then,

x+y = 9 (i)

Required no.= (10x + y)

Number obtained on reversing the digits= (10y+x)

therefore ;

(10y+x) - (10x+y)=27
9y - 9x=27
y-x=3 (ii)
on adding (i) and (ii)
2y = 12
y = 6
Putting the value of y in (i)
x+6 =9
x= 3
Hence the required no. is 36.


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