Question

In the two digit number, the digit in the unit's
place is 10x and the digit in the ten's place is y.
Find the two digit number.​

Answer 1

∴ from the above condition, (y+2y+18)....Equation(2)

Combining equation 1 and 2 we get,

(y+2y)+18=(10y+2y)

3y+18=12y

18=12y−3y

18=9y

∴ y=2

Hence, the digit tens place is 2The digit unit place is 2y=2(2)=4Substituting the value of y in equation 1 we get,

12y+3

12(2)=24

∴ the required number is 24