Level 3
Lucinda took a flight from Seoul to Singapore. When it was 07 00 in Seoul, it was 06 00 in Singapore. The flight was 7 hours 15 minutes long. When Lucinda landed in Singapore, the clock in the airport showed 18 05. What was the time in Seoul when Lucinda's flight departed? Express your answer using the 24-hour clock.
Level 3
Allan and Maine were in a roller skating race. Allan was travelling at a constant speed of 20 km/h and they both did not change their speed. When Maine completed half of her race, Allan was 3.5 km ahead. Allan completed the race at 10.45 a.m. What time did Maine complete the race?
Level 3
John arrived at the computer room at 9.30 a.m. He did his first activity for 30 min and spent the rest of the time on the second activity. He left the computer room at 11.55 a.m. For how long did he spent working on the second activity in the computer room?
Level 3
Jelly and Joana started walking at 5.30 a.m. Jelly walked for 30 min while Joana walked twice as long as Jelly. At what time did Joana finish her walk?
