the sum of the digit in a two digit number is 9. the number obtained by interchanging the digit exceeds the original number by 27. find the two digit number.
Answers
Answered by
11
Answer: let the unit digit be x
Then the tens digit be 9-x
Original no.= 10(9-x) +1(x)
=90-10x+x=90-9x
Reserve no=10(x) +1(9-x)
=10x+9-x=9x+9
A. T. Q
90-9x=9x+9+27
-9x-9x=36-90
-18x= -54
X= - _54_
18
X=3
Original no =10(9-3) +1(3)
=60+3=6e
Answered by
1
Answer:
the original two - digit number is 36.
Attachments:
Similar questions