Adam's age is a multiple of 10 this year.
His age 2 years later will be multiple of 6.
- What is Adam's age this year?
- What was Adam's age 3 years ago?
- What is Adam's age 6 years later?
Multiple(s) of 10: 10
Multiple(s) of 10 (+2): 12
Multiple(s) of 6: 6, 12
12 appears in both the multiples of 6 and the multiples of 10 (+2).
12 is Adam's age 2 years later.
(a) Adam's age this year = 10
(b) Adam's age 3 year ago = 10 - 3 = 7
(c) Adam's age 10 years later = 10 + 6 = 16
Answer(s): (a) 10; (b) 7; (c) 16