Level 1
Collin took 15 min to drive from his house to the warehouse and 3 h 50 min to deliver goods from the warehouse to various places. He finished delivering the goods at 18 20. At what time did Collin leave his house? (Give your answer in 24-hour clock format.)
Level 2
Mrs Lim took 1 hour to reach the cinema from her house. She was 20 min early for the show. The show started at 19:00 p.m. At what time did she leave her house? Give your answer in 24-hour clock.
Level 2
Cathy left for school at 18 20 after spending her time there for 4 h 45 min. What time did she arrive in school? Give your answer in 24-hour clock.