Math, asked by akshaysingh04, 1 year ago

in a two digit number the sum of the two digit is 6. the difference between the number of it's digits are reversed and original number is 18. find the number.

Answers

Answered by Vishnunj1
20
the digits of the numbers be x and y
then the number=10x+y
then the sum of digits
x+y=6........ (1)
and
10x+y-(10y+x)=18.......... (2)
10x+y-10y-x=18
9x-9y=18
from (1)
x=6-y
9 (6-y)-9y=18
54-9y-9y=18
-18y=18-54
-18y=-36
y=-36/-18
=2

then
x=6-2=4
then the number is 42
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