Question

please give answer fast​

Answer 1

Answer:

let 1 digit number be x

then, 2second digit number = x-3

x+x-3=165

2x=165+3

2x=168

x=168\2

x=84

1digit numberis 84

2digit number is 81

Step-by-step explanation:

Answer 2

Answer:

Let the two digit no be 10x+y

After interchanging the digits the no becomes=10y+x

A/Q

10x+y+10y+x=165

11x+11y=165

11(x+y)=11(15)

x+y=15------(1)

x-y=3(given)

x=3+y-------------(2)

putting the value of (2)in(1)

3+y+y=15

2y=12

y=6

putting the value of y in (2)

x=3+2

x=5

Two digit no=10x+y=10×5+6=56