Level 3
Sam took 2 hours to walk from Building A to Building B which was 6 km away. On his way back from Building B to Building A, he increased his average walking speed by 1 km/h. How long did he take for his journey back?
Level 3 PSLE
Peter and Justin ran in a race around a 400 m track. Peter ran at a speed of 190 m/min and Justin at a speed that was 25 m/min slower than Peter throughout the race. How many complete rounds would Peter have finished when he had run a distance of 300 m more than Justin?
Level 3
The amount of lemon syrup to the amount of water in Cup A is in the ratio 2 : 5. The amount of lemon syrup to the amount of water in Cup B is in the ratio 1 : 6. There is an equal amount of lemon syrup in both cups. Cup B contains 189 mℓ more water than Cup A. What is the amount of lemon syrup in Cup A? Leave the answer in mℓ.