Question

Number 5 plz answer fast

Answer 1

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Here is your answer
Let the unit place digit is x
And tens place digit is ( 11-x)
So The number is
$= 10(11 - x) + x \\ = 110 - 10x + x \\ = 110 - 9x$
Now the digits is interchange
so New Number is
$= 10x + 11 - x \\ = 9x + 11$
ATQ
$9x + 11 - ( 110 - 9x) = 27 \\ 9x + 11 - 110 + 9x = 27 \\ 18x - 99 = 27 \\ 18x = 27 + 99 \\ 18x = 126 \\ x = \frac{126}{18} \\ x = 7 \\ tens \: place \: no \: is \\ 11 - 7 = 4$
Therefore The number is 4× 10 + 7
= 40 + 7
= 47

NUMBER IS 47

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