Level 3
John arrived at the computer room at 9.30 a.m. He did his first activity for 30 min and spent the rest of the time on the second activity. He left the computer room at 11.55 a.m. For how long did he spent working on the second activity in the computer room?
Level 3
Jelly and Joana started walking at 5.30 a.m. Jelly walked for 30 min while Joana walked twice as long as Jelly. At what time did Joana finish her walk?
Level 3
A ball is dropped from a height of 120 cm. Every time it hits the ground, it will rebound to half of its original height. What is the total distance the ball has travelled by the time it hits the ground for the 4th time?
Level 1
Wenwen took 1 h 5 min to pack bottles of water into a carton. How long would she take to pack 10 such cartons? Leave the answers in hours and minutes?
Level 3
John spent 2 h 30 min to complete his Science and English assignments. He spent 30 min more on his Science assignment than his English assignment. How long did he take to complete his English assignment?
Level 3
At sunrise an ant began jumping up a 2-metre sand hill. Every hour, it was able to climb up 40 cm, but then slid back 30 cm due to the loose sand. How long did it take the ant to reach the top?
Level 3
Donna took 25 min to complete her Science assignment. She took 7 times as long to making her report presentation. Find the total amount of time she spent doing her Science assignment and making her report presentation. (Give the answer in hours and minutes.)
Level 3
Jake spent 1 h 30 min to trim and water the plants in his garden. He took twice as long to trim the plants than to water the plants. How long did he spend watering the plants?
