Question

find two numbers whose product is a 1 digit number and the sum is 2 digit number

Answer 1

the no. are 9 and 1 because
product of 9 and 1 =9*1=9. ( 1 digit)
and sum=9+1=10 (2 digits)

Answer 2

x=9

y=1

9*1=9 {x*y= one digit no. }

9+1=10 {x+y= two digit no. }