Question

A no. cansats of two digits
whase
Sum is 10. If 8 si subtracto
from the ho, digits of the ho
reversed. What is the
product of the digits-​

Answer 1

Let the number be x and y.

x+y = 10

This implies y= 10-x

According to the question,

(10x + y ) - 18 = (10y + x )

Putting a suitable value for y, that is 4. We get,

x= 6 and y= 4

Now solving the equation after adding values,

(10*6+4)-18 = (10*4+6)

64-18 = 40+6

46=46

Then putting it back to normal as it was reversed in the question, we get the number as 64.