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.
What time did she leave the supermarket?
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?
Level 3
After cycling for 30 km, Mark took a break before he continued cycling 13 of the remaining distance. He then realised that he still had 14 of the total distance not completed. If Mark's average speed was 30 km/h, how much time did he take to complete the entire ride? Express the answer in mixed number.
Level 3
There were some flights of steps with the same amount of steps. For the 1st staircase, Carl walked up some steps and ran up 7 steps. He took 98 seconds. For the next staircase, he ran up 15 steps and walked the rest of the steps, and took a total of 58 seconds. How long would Carl take to walk up 4 flights of steps of the same number of steps? Express the answer in min and s.
Level 3
Willy drove from Town A to Town B which was 312 km away. He started from Town A at an average speed of 76 km/h. He maintained this speed for 2 h before increasing it by 4 km/h for the rest of the journey to Town B.
How long did he take to complete the whole journey?
Level 3
Uncle Lim travelled from City A to City B which was 560 km away. For the first 480 km of the journey, he travelled at a speed of 80 km/h. He then reduced his speed by 40 km/h and completed the rest of the journey. What was his average speed for the whole journey?
