Adam's age is a multiple of 2 this year.
His age 4 years later will be multiple of 10.
- What is Adam's age this year?
- What was Adam's age 5 years ago?
- What is Adam's age 2 years later?
Multiple(s) of 2: 2, 4, 6
Multiple(s) of 2 (+4): 6, 8, 10
Multiple(s) of 10: 10
10 appears in both the multiples of 10 and the multiples of 2 (+4).
10 is Adam's age 4 years later.
(a) Adam's age this year = 6
(b) Adam's age 5 year ago = 6 - 5 = 1
(c) Adam's age 2 years later = 6 + 2 = 8
Answer(s): (a) 6; (b) 1; (c) 8