Question

the sum of a 2 digit number is 9 if the difference between the numberand the number formed by reserving position is 27 find the number. answer is 63.​

Answer 1

Answer:

Step-by-step explanation:

Let x and y be the two digits of a two digit number .

Then the two digit number so formed will be (10x+y) where x is at 10's place and y is at unit place.

Now by question,

(x+y)=9........(1)

And, (10x+y)-(10y+x)=27......(2)

Here (10y+x) is the reversed two digit number.

From (2), 10x+y-10y-x=27

Or, 9x-9y=27

Or, x-y=3..............(3)

Now adding (1) & (3) we get

2x=12

Therefore x=6

Putting x=6 in (3) we get

6-y=3

Therefore y=3

Hence required two digit no. is (10x+y)=10×6+3=63

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Answer 2

Answer:

actually I have the same but the number is another and the and is only 63 ....