Question:

Level 1

John took 3 h to paint^{4}_{5} of a room. How long would he take to paint ^{1}_{5} of the same room?

1 m
John took 3 h to paint

Level 1

A man can paint the house in 3 days. Assuming the same speed, how many days do 2 men take to paint the same house?

1 m
A man can paint the house in 3 days. Assuming the same speed, how many days do 2 men take to paint the same house?

Level 2

Water is pumped into a rectangular tank at a rate of 16.5 ℓ per minute. The tank measures 110 cm by 90 cm by 50 cm. How long does it take to fill the tank? Express your answer in min.

2 m
Water is pumped into a rectangular tank at a rate of 16.5 ℓ per minute. The tank measures 110 cm by 90 cm by 50 cm. How long does it take to fill the tank? Express your answer in min.

Level 2

A tap took 12 minutes to fill up a pail with a capacity of 4 ℓ. At the same rate, how long would it take for the tap to fill up 25% of a container with a capacity of 30 ℓ? Express your answer in min.

2 m
A tap took 12 minutes to fill up a pail with a capacity of 4 ℓ. At the same rate, how long would it take for the tap to fill up 25% of a container with a capacity of 30 ℓ? Express your answer in min.

Level 1

The table shows the operating hours of a clinic. How many hours does the clinic operate from Sunday to Thursday altogether? (Give your answer in h.)

The table shows the operating hours of a clinic. How many hours does the clinic operate from Sunday to Thursday altogether? (Give your answer in h.)

2 m

Level 1

Jerry left Town A by train and arrived at Town B at 7.15 a.m. The train ride took 9 h 45 min. What time did he leave Town A? (Give your answer in 12-hour clock format.)

2 m
Jerry left Town A by train and arrived at Town B at 7.15 a.m. The train ride took 9 h 45 min. What time did he leave Town A? (Give your answer in 12-hour clock format.)

Level 2

Alex answered 20 questions in a test. He took 2 min for each of the first 5 questions and 5 min for each of the remaining questions. The test started at 8.10 a.m. At what time did Alex complete his test? (Give your answer in 12-hour clock format.)

2 m
Alex answered 20 questions in a test. He took 2 min for each of the first 5 questions and 5 min for each of the remaining questions. The test started at 8.10 a.m. At what time did Alex complete his test? (Give your answer in 12-hour clock format.)

Level 2

Jackie left for his taekwondo practice and his watch showed 7.35 a.m. He took 35 minutes to travel to his training venue. He then realized that his watch was 10 minutes slow. What was the actual time he reached the training venue? (Give your answer in 12-hour clock format.)

2 m
Jackie left for his taekwondo practice and his watch showed 7.35 a.m. He took 35 minutes to travel to his training venue. He then realized that his watch was 10 minutes slow. What was the actual time he reached the training venue? (Give your answer in 12-hour clock format.)

Level 2

A printer can print 200 pages in 30 seconds. How long does it take to print 18 000 pages? Express your answer in minutes.

2 m
A printer can print 200 pages in 30 seconds. How long does it take to print 18 000 pages? Express your answer in minutes.

Level 3

In the figure, a fish tank measuring 52 cm by 25 cm by 48 cm contained 2720 mℓ of water. Serene then turned on a tap that flows at a rate of 4.32 ℓ per minute. How long does it take for the tank to be^{2}_{3} filled with water? Express your answer in min.

In the figure, a fish tank measuring 52 cm by 25 cm by 48 cm contained 2720 mℓ of water. Serene then turned on a tap that flows at a rate of 4.32 ℓ per minute. How long does it take for the tank to be

3 m