Question

Solve the blue marked question....?

Answer 1

let unit digit be x and tens digit be y
so according to question

no. be 10y+x

reversed no. is 10x+y

now according to situation

(10y+x)+(10x+y)=66
11y+11x=66
y+x=6. . -(1)

now according to situation 2nd

x-y=2
x=2+y

now put in eq1

2+y+y=6
y=2

and x=4

so the no. will be 4+10×2
24 is your answer.