There are all sorts of clever answers. In base two, 1 + 1 = 10. But if you are referring to normal base ten addition, 1 + 1 = 2.
How about: 30+2 = 32 as one example
The two consecutive numbers which when added equal 59 are 29 and 30.
114
two prime numbers when added together will equal 63: 2 + 61
A half dollar and a nickel. One of them isn't a nickel, the other one is.
Two (or four) digits added together cannot equal 42. Two-digit numbers multiplied together cannot equal 82.
A two digit number whose two digits added together equal 42 and multiplied together equal 82
10
266
An integer
4
79