Problem 6 · 2025 Math Kangaroo
Easy
Arithmetic & Operations
ages
Daniel is 5 years old. His brother Dominik is 6 years older. How old will the two of them be in total in 7 years’ time?
Show answer
Answer: E — 30
Show hints
Hint 1 of 2
Work out each boy's age in 7 years, then add.
Still stuck? Show hint 2 →
Hint 2 of 2
Dominik is 6 years older than Daniel right now.
Show solution
Approach: advance both ages, then total
- Now Daniel is 5 and Dominik is 5 + 6 = 11.
- In 7 years they will be 12 and 18.
- Their total will be \(12 + 18 = 30\), which is (E).
Mark:
· log in to save