1.

What r the digits......

Answer»

Let, digits be x and y
Number = 10x + y
Reversed number = 10Y+ x
Now, ACCORDING to the question
x + y = 9. ......... ( 1 )
And. 27 + 10x + y = 10y + x
27 = 10y + x - 10x - y
27.= 9y - 9x
27 = 9 ( y - x)
3 = y - x
Now, y = 3 + x
From (. 1)
x + 3 + x = 9
2x = 6. : x = 3
Now, y = 3 + x. = 3 + 3 = 6
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