a two digit number is such that the ten's digit exceeds twice the unit's digit by 2 and the number obtained by interchanging the digits is 5 more than three times the sum of digits. Find the two digit number.
Answers
Answered by
15
Let unit digit be=x
Ten's will be =2x+2
No.=10(2x+2)+x
=20x+20+x
=21x+20
After interchanging digits no. Will be=10(x)+2x+2
=12x+2
A.T.Q
12x+2=3(2x+2+3)+5
12x+2=6x+15+5
12x-6x=20-2
6x=18
X=18/6=3
Now no. =21(3)+20
=63+20=83
Hope u like this
Ten's will be =2x+2
No.=10(2x+2)+x
=20x+20+x
=21x+20
After interchanging digits no. Will be=10(x)+2x+2
=12x+2
A.T.Q
12x+2=3(2x+2+3)+5
12x+2=6x+15+5
12x-6x=20-2
6x=18
X=18/6=3
Now no. =21(3)+20
=63+20=83
Hope u like this
Similar questions