Question

Sum of the digits of a 2-digit number is 11. The given numbet is less than the number obtained by intetchanging the digits by9. Find the number.​

Answer 1

Answer:

Hey,find the answer in the attached image.

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Answer 2

Answer:

20

Step-by-step explanation:

Let the no. be 10x+y,

A/Q,

x+y=11....(1)

10y+x-(10x+y)=9...(2)

Adding (1) and (2) we get,

y=10

x=1

Therfore,The no.=10×1+10=20