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.
3 m
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?
3 m
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?
4 m
Level 3
A bakeshop opens every day for the time as shown. How long is the bakeshop open each day?
4 m
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?
4 m
Level 3
Ariel took a shower and prepared for 25 minutes. He left at 7.15 a.m. At what time did he took a shower?
4 m
Level 3
Angeline started watching the first movie at 6.15 p.m. She took 55 minutes to watch the first movie. After watching the first movie, she proceed to watch the second movie. At what time did she watch the second movie?
4 m
Level 2
Penelope usually takes a bus from her home to school. If she leaves home at 05 00, she will reach school at 06 57. Last week, a new MRT line has opened and she can take the train directly from home to school instead. This will shorten her journey by 16 min.
  1. How long does Penelope take to go school by the new MRT line?
  2. Penelope spent the next 3 h 15 min in school before dismissal. If Penelope started school at 08 10, at what time was she dismissed from school? Give your answer in the 12-hour clock format.
4 m
Level 3
On Saturday, Earl went to the park at 7.00 a.m. He took 35 minutes walking and 20 minutes jogging. Then, he returned home to take his breakfast. At what time did Earl return home?
4 m
Level 2
Cody's gym class usually lasts 1 h 40 min. However, last Saturday, Cody's class lasted 29 min longer than usual. The class started 20 min late. As such, Cody's class ended at 7.52 p.m. instead of the usual time. What time does Cody's gym class usually start? (Leave your answer in 24-hour clock format.)
4 m
Level 3
Freddie jog for 1 hour and 15 minutes. Then he took 40 minutes to walk home. He reached home at 8.00 a.m. At what time did Freddie start jogging?
4 m
Level 2
Sarah read 4 books in 3 h 18 min. She took the same amount of time to read each of the first 3 books. She took 54 min longer to read the fourth book than each of the first 3 books. She finished reading all the books at 19 28. What time did she start reading the fourth book?
4 m
Level 3
The time in New Zealand is 4 hours ahead of the time in Singapore. When it is 10 00 in Singapore, it is 14 00 in New Zealand. Kathy went to New Zealand for a work trip. She would be taking a flight from New Zealand at 06 40 to come back to Singapore. The flight duration is 9 h 55 min. At what time would Kathy reach Singapore?
4 m
Level 3 PSLE
One copier took 60 minutes while another took 100 minutes to print the same number of leaflets. The faster copier printed 6 more leaflets per minute than the slower one.
  1. The slower copier completed the job at 2.00 p.m. At what time was the printing started?
  2. What was the total number of leaflets printed by the two copiers?
4 m
Level 3 PSLE
At 15 25, Mrs Pang started driving at 60 km/h from her home to a supermarket 35 km away. She was in the supermarket for 1 h 15 min.
  1. What time did she leave the supermarket?
  2. After leaving the supermarket, Mrs Pang drove back along the same route and took 48 min to reach home. What was her average speed, in km/h, for the journey home?
4 m
Level 3
At 9.45 a.m., Mark started driving from Town X to Town Y which was 440 km away. For the first 220 km, he travelled at an average speed of 80 km/h. He then decreased his speed by 20 km/h and completed the remaining journey.
  1. Find the total time taken for the whole journey. Express the answer in mixed number.
  2. At what time did she reach Town Y?
4 m
Level 3
May started jogging from home to park at a speed of 300m/min at 6 a.m. Her brother started jogging from home later. They were beside each other at 6.30 a.m. and her brother reached park at 7 a.m. while May was still 1800 m away. If both of them travelled at a constant speed throughout the journey, what time did her brother leave home?
4 m
Level 3
Singapore and Kuala Lumpur is 375 km apart. Rael left Singapore for Kuala Lumpur at 10.00 a.m. travelling at an average speed of 75 km/h. Sam left Singapore later than Rael and caught up with him at 12.00 p.m. Sam was travelling at a speed of 90 km/h.
  1. At what time did Sam leave Singapore?
  2. How much later did Rael arrive in Kuala Lumpur than Sam?
4 m
Level 3
At 8 a.m., Rina started from City A and travelled towards City B and his speed remained constant throughout. At 9 a.m., Mandy started her journey from City A towards City B at an average speed of 72 km/h. Mandy overtook Rina at 12 p.m. After overtaking, Mandy carried on her journey at the same average speed and reached at City B at 2:30 p.m.
  1. Find Rina's average speed in km/h.
  2. What is the distance between the two cities?
4 m
Level 3
Andy and Luke took part in a 24-km marathon. Andy ran half the distance at a speed of 10 km/h and jogged the rest of the way at a speed of 8 km/h. Luke ran half his total time at 12 km/h and jogged the rest of the time at 6 km/h. If they started the marathon at 7.30 a.m., at what time would each of them finish?
  1. Andy
  2. Luke
5 m