SEAMO X 2023 — Paper A — Grade 1–2 Question 13

Mr Wattana leaves $A$ for $B$ at $10{:}00$, at $90\text{ km/h}$. One hour later Mink leaves $A$ for $B$ at $120\text{ km/h}$. At what time, in twenty-four-hour format, does she catch him?