1. EASY

Justine was born in 2001. Her brother was born in 1996. How many years older is Justine's brother?

 
2. MEDIUM

Alice is 10 years old. Her brother is 5 years older than her.
How old will her brother be in 7 years?

 
3. MEDIUM

Sarah is 14 years old. Her friend Bob is 8 years old. After 57 years, how much older will Sarah be than Bob?

 
4. HARD

Samantha is currently double the age of her brother Sam. Sam will be 14 in 6 years. How old will Samantha be in 5 years?

 
5. HARD

Jennifer's mother is three times her age. Her father is 3 years older than her mother, and is twice the age of her cousin, who will be turning 22 next year. How old is Jennifer right now?