Question

The sum of the digits of a two -digital number is 7.the number obtained by interchangeingredients the thedigits exceeds the original number by 27. Find the number

Answer 1

Answer:

Step-by-step explanation:

Let the two numbers be x and y respectively.

So, x+y=7. ......................Eq(1)

Original Number= 10x+y

Interchanged number= 10y+x

(10y+x) = (10x+y) + 27

10y +10x= 10x+y+ 27

9y=27

y=3

Substitute in Eq(1):

x+3=7

x=4

The number= 10x+y=43