Level 2
Tania and Christian started off together from the park at the same time and drove towards the office at speeds of 87 km/h and 81 km/h respectively. How far apart would they be after 1 hour 20 minutes?
Level 2
Martin and Ervin started together from the same bus-stop and ran along a track at the speed of 11 km/h and 7 km/h respectively. How far apart would they be in 15 minutes? Express the answer in km.
Level 2 PSLE Faber and Elly started jogging at the same time from point A to point C along the route shown. Faber jogged 30 m/min faster than Elly. When Faber reached point C, he turned around at once to jog towards point A. He met Elly at point B. They did not change their speeds throughout. What was Elly's jogging speed in m/min?
Level 2 PSLE Faber and Elly started jogging at the same time from point A to point C along the route shown. Faber jogged 30 m/min faster than Elly. When Faber reached point C, he turned around at once to jog towards point A. He met Elly at point B. They did not change their speeds throughout. What was Elly's jogging speed in m/min?
Level 2 PSLE
Jack and Kim started their walk around a 15-km track at 9.00 a.m. They started at the same point but went in opposite direction. Jack's walking speed was 6 km/h and Kim was 4 km/h. They did not change their speeds throughout. At what time did they first pass each other?
Level 2 PSLE
Jack and Kim started their walk around a 15-km track at 9.00 a.m. They started at the same point but went in opposite direction. Jack's walking speed was 6 km/h and Kim was 4 km/h. They did not change their speeds throughout. At what time did they first pass each other?
Level 3
Tap A can fill a tank completely in 2 hours while Tap B takes an hour more to fill the same tank completely. There is a hole at the bottom of the tank which can empty the full tank in 6 hours. How long does it take for the tank to be completely filled if both taps are turned on?
Level 3
Tap A can fill a tank completely in 2 hours while Tap B takes an hour more to fill the same tank completely. There is a hole at the bottom of the tank which can empty the full tank in 6 hours. How long does it take for the tank to be completely filled if both taps are turned on?
