Arnold walked from his home to the library, which is 1.2 km away, at an average speed of 80 m/min. How many minutes did Arnold take to walk from his home to the library?
PSLE
Robert cut out three identical right-angled triangles. He joined them to form the figure PQRS shown. RS = 12 cm and SP = 10 cm. The perimeter of the figure is 36 cm. Find the area of the figure PQRS.
PSLE
Robert cut out three identical right-angled triangles. He joined them to form the figure PQRS shown. RS = 12 cm and SP = 10 cm. The perimeter of the figure is 36 cm. Find the area of the figure PQRS.
A train left for City Z at 07 00. The train stopped over at City S for half an hour before continuing its journey to City Z. It reached City Z at 13 45. If the average speed of the train was 350 km/h, what was the total distance covered by the train?
A train of length 100 m passes a bridge that is 5.5 km long. It is travelling at an average speed of 80 km/h. How long does it take the train to completely pass through the bridge? Express the answer as decimals in h.
A subway train travelled 900 km from Station A to Station B at an average speed of 150 km/h. It then moved on to Station C which is 500 km away at an average speed of 120 km/h. Find the time taken for the whole journey. Express the answer as a mixed fraction in h.
