Level 1
David's scores for 5 games are shown in the table. Find this average score.
1 m
Level 1 PSLE
Nora took 34 h to jog 9 km. What was her average jogging speed in km/h?
1 m
Level 1 PSLE
Kenny took 20 min to walk 960 m. What was his average speed in km/h?
1 m
Level 1 PSLE
Gopal took 40 minutes to complete a journey at an average speed of 72 km/h. What was the distance he travelled?
1 m
Level 1 PSLE
A tank was filled with 48 litres of water at 06 00. Water flowed out of the tank from 06 00 to 11 00. The line graph shows the amount of water in the tank from 06 00 to 10 00. What was the average decrease in the volume of water in litres per hour from 06 00 to 10 00? (Give your answer in ℓ.)
1 m
Level 1 PSLE
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?
1 m
Level 1
A car left City A at 11.30 p.m. It reached City B 550 km away at 9.30 a.m. the next morning. What was its speed?
1 m
Level 1 PSLE
A shop is 650 m from Leon’s house. Leon took 10 min to walk from his house to the shop and back again. What was his average walking speed? Give your answer in m/min.
1 m
Level 1 PSLE
The sum of 4 numbers is 1020. One of the numbers is 180. What is the average of the other 3 numbers?
1 m
Level 2
The ratio of Henry's age to Mark's age is 9 : 5. Last year, their average age was 20. How old will Mark be in 5 years' time?
2 m