A is 2 years older than B. If the sum of their ages is 30, how old is A?
Q1. A is 2 years older than B. If the sum of their ages is 30, how old is A?
Answer: 16
Explanation: Let's denote B's age as x. Then A's age is x + 2. We have x + (x + 2) = 30, which simplifies to 2x + 2 = 30, 2x = 28, x = 14. So, A is 14 + 2 = 16 years old.