Question:

Level 1

Jonas can paint a house in 3 days. How many houses can he paint in 36 days?

1 m
Jonas can paint a house in 3 days. How many houses can he paint in 36 days?

Level 1

Sean can wash 6 cups per minute. At this rate, how many cups can he wash in 45 minutes?

1 m
Sean can wash 6 cups per minute. At this rate, how many cups can he wash in 45 minutes?

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 3

Kenny and Jerry started on a 50-kim cycling trip at the same time. They cycled at the same speed for first 10 km. For the remaining 40 km, Kenny cycled faster than Jerry. He arrived at the fining point 40 minutes before Jerry who was 10 km behind him. Jerry did not change his speed throughout and completed it at 11 30.

4 m
Kenny and Jerry started on a 50-kim cycling trip at the same time. They cycled at the same speed for first 10 km. For the remaining 40 km, Kenny cycled faster than Jerry. He arrived at the fining point 40 minutes before Jerry who was 10 km behind him. Jerry did not change his speed throughout and completed it at 11 30.

- At what time did the trip begin? Give the answer in 12-hour format.
- What was Kenny's average speed for the remaining 40 km of the trip in km/h?

Level 3

Kenny and Mike started jogging from the same point. Mike started jogging 4 minutes earlier than Kenny. Kenny's jogging speed was 500 m/min and Mike's jogging speed was 300 m/min. They went in the same direction and did not change their speeds throughout.

3 m
Kenny and Mike started jogging from the same point. Mike started jogging 4 minutes earlier than Kenny. Kenny's jogging speed was 500 m/min and Mike's jogging speed was 300 m/min. They went in the same direction and did not change their speeds throughout.

- How long did it take for Kenny to catch up with Mike?
- What distance would Mike have jogged when Kenny caught up with him? Express your answer in meters.

Level 3

If Bill and Henry paint a house, they take 24 days to finish painting. If Kenny and Bill paint the same house, they take 8 days to finish painting. If Henry and Mark paint the same house, they take 12 days to finish painting. How many days do Kenny and Mark take to paint the house if they work together?

4 m
If Bill and Henry paint a house, they take 24 days to finish painting. If Kenny and Bill paint the same house, they take 8 days to finish painting. If Henry and Mark paint the same house, they take 12 days to finish painting. How many days do Kenny and Mark take to paint the house if they work together?

Level 3

5 tailors can sew 10 shirts in 10 hours on average. How long will 50 tailors take to sew 50 shirts on average?

3 m
5 tailors can sew 10 shirts in 10 hours on average. How long will 50 tailors take to sew 50 shirts on average?

Level 2

Abel can paint a room in 6 hours. Bala can paint the same room in 3 hours. How long will it take for both of them to paint the same room together?

2 m
Abel can paint a room in 6 hours. Bala can paint the same room in 3 hours. How long will it take for both of them to paint the same room together?

Level 3

Kim, John and Zane started walking at the same time from the same starting point round a circular track. Zane walked in the clockwise direction. Kim and John walked in an anti-clockwise direction. Zane took 6 min to complete each round. He met Kim after every 2 minutes. He met John after every 5 minutes. The three friends keep to their respective speeds throughout their walk.

5 m
Kim, John and Zane started walking at the same time from the same starting point round a circular track. Zane walked in the clockwise direction. Kim and John walked in an anti-clockwise direction. Zane took 6 min to complete each round. He met Kim after every 2 minutes. He met John after every 5 minutes. The three friends keep to their respective speeds throughout their walk.

- How many rounds did Zane complete in 1 h?
- When Zane and Kim met again at the starting point after 1 h, John had completed 1.6 km. Find the circumference of the circular track in metres.