The sum of a two digit no and the no obtained by reversing the order of the digits is 99.if the digits differ by 3 find the no.
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let the digit be 10x+y
on reversing the digits = 10y+x
now on adding
10x+y+10y+x=99
and diffrence of the digits is 3
so
let x>ythen
x-y=3 now solve the equations
x+y=9
x-y=3
2x=6
x=3
simi;arly find y by putting the value in equations
on reversing the digits = 10y+x
now on adding
10x+y+10y+x=99
and diffrence of the digits is 3
so
let x>ythen
x-y=3 now solve the equations
x+y=9
x-y=3
2x=6
x=3
simi;arly find y by putting the value in equations
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