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

50 men working 8 hours a day can finish building a boat in 10 days. How long would it take 40 men to finish building the same boat if they work the same number of hours a day?

3 m
50 men working 8 hours a day can finish building a boat in 10 days. How long would it take 40 men to finish building the same boat if they work the same number of hours a day?

Level 3

A car is travelling from Town A to Town B. At 60 km/h, it will arrive four hours later than the scheduled time. At 70 km/h, it will arrive at two hours later than the scheduled time. What is the distance between Town A and Town B?

3 m
A car is travelling from Town A to Town B. At 60 km/h, it will arrive four hours later than the scheduled time. At 70 km/h, it will arrive at two hours later than the scheduled time. What is the distance between Town A and Town B?

Level 3

Kenny and Jerry started on a 50-km 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 finishing 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-km 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 finishing 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.

Level 3

Raju and Shian left Town A for Town B at the same time. When Raju reached Town B in 4 hours, Shian had only completed^{3}_{8} of the distance between the two towns. Shian's speed was 30 km/h slower than Raju. What was Raju's speed?

5 m
Raju and Shian left Town A for Town B at the same time. When Raju reached Town B in 4 hours, Shian had only completed

Level 3

Ray left City B for City A at 07 30. Lindy left City B for City C at the same time. At 10 30, they were 480 km apart. Both maintained a constant speed and reached their destination at the same time at 12 00 h.

5 m
Ray left City B for City A at 07 30. Lindy left City B for City C at the same time. At 10 30, they were 480 km apart. Both maintained a constant speed and reached their destination at the same time at 12 00 h.

- Find the distance between Cities A and C.
- If Lindy's speed was
^{3}_{5}the speed of Fred, find Ray's speed.

Level 3

James started driving from Town A towards Town B at 13 40 at an average speed of 70 km/h. Melvin began driving from Town A towards Town B at 15 10 at an average speed of 100 km/h.

5 m
James started driving from Town A towards Town B at 13 40 at an average speed of 70 km/h. Melvin began driving from Town A towards Town B at 15 10 at an average speed of 100 km/h.

- At what time did Melvin pass James on the road?
- 1
^{2}_{5}hours after passing James, Melvin reached Town B. At what time did James reach Town B?

Level 3

At 08 00, Ali left Town P and cycled towards Town Q. Grace left Town P and cycled towards Town Q at 08 30. Grace's cycling speed was 2 km/h faster than Ali. At 12 00, Grace caught up with Ali. Find the cycling speed of each cyclist.

5 m
At 08 00, Ali left Town P and cycled towards Town Q. Grace left Town P and cycled towards Town Q at 08 30. Grace's cycling speed was 2 km/h faster than Ali. At 12 00, Grace caught up with Ali. Find the cycling speed of each cyclist.

- Ali
- Grace

Level 3

City X and City Y are 420 km apart. At 3.45 p.m., Joni is travelling at a uniform speed left City X for City Y while Ben set off from City Y to City X along the same road at a uniform speed, which was 12 km/h slower than that of Joni. The two met at 6.45 p.m.

5 m
City X and City Y are 420 km apart. At 3.45 p.m., Joni is travelling at a uniform speed left City X for City Y while Ben set off from City Y to City X along the same road at a uniform speed, which was 12 km/h slower than that of Joni. The two met at 6.45 p.m.

- Find the speed of Joni.
- If Ben continued to travel at the same speed, how long would it take to reach its destination after the two met? Express the answer in mixed number.

Level 3

Andy and Luke took part in a 24-km marathon. Andy ran half the distance at a speed of 10 km/h and jogged the rest of the way at a speed of 8 km/h. Luke ran half his total time at 12 km/h and jogged the rest of the time at 6 km/h. If they started the marathon at 7.30 a.m., at what time would each of them finish?

5 m
Andy and Luke took part in a 24-km marathon. Andy ran half the distance at a speed of 10 km/h and jogged the rest of the way at a speed of 8 km/h. Luke ran half his total time at 12 km/h and jogged the rest of the time at 6 km/h. If they started the marathon at 7.30 a.m., at what time would each of them finish?

- Andy
- Luke

Level 3

Copier A prints at a rate of 105 leaflets in every 3 minutes and Copier B prints at a rate of 136 leaflets in every 4 minutes. At 2 p.m. , both copiers started printing. After a while, Copier A stopped printing for some time as the ink cartridges were being changed before it continued to print again. Copier B continued printing during this time. At 4 p.m., the total number of leaflets printed during the past two hours was 7930. Express the number of leaflets printed by Copier A as a percentage of the total number of leaflets printed by both copiers. Round off the answer to 2 decimal places.

5 m
Copier A prints at a rate of 105 leaflets in every 3 minutes and Copier B prints at a rate of 136 leaflets in every 4 minutes. At 2 p.m. , both copiers started printing. After a while, Copier A stopped printing for some time as the ink cartridges were being changed before it continued to print again. Copier B continued printing during this time. At 4 p.m., the total number of leaflets printed during the past two hours was 7930. Express the number of leaflets printed by Copier A as a percentage of the total number of leaflets printed by both copiers. Round off the answer to 2 decimal places.

Level 3

Recca took 5 hours to travel from Country A to Country B at 60 km/h. Then he travelled from Country B to another country at 1.5 times his original speed. 40% of the distance from Country A to Country B is equal to^{1}_{3} of the distance from Country B to the next country. Find the average speed for the whole journey and express it in mixed number.

5 m
Recca took 5 hours to travel from Country A to Country B at 60 km/h. Then he travelled from Country B to another country at 1.5 times his original speed. 40% of the distance from Country A to Country B is equal to