Question

The sum of the digitd of a two digit number is 11. The number got by interchanging the digits is 27 more than the orginal number. What is the number?
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Answer 1

Answer:

So the number is x(11-x)= 47

Step-by-step explanation:

let 10's digit = x

then one' digit = 11-x

thus the no =10x+11-x = 9x+11

Now if the digits are interchanges

x+10*(11-x)

=x+110-10x

=110-9x

As per question

110-9x=9x+11+27

18x=110-38

18x=72

x=4

So the number is x(11-x)= 47

Answer 2

Answer:

47 is right answer

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