Level 2
The circles are not drawn to scale. The small circle is with radius a and the big circle is with radius A. The ratio of a to A is 4 : 7. If the area of the small circle is 169π cm2, find A. Express the answer in mixed number.
Level 2
The circles are not drawn to scale. The small circle is with radius a and the big circle is with radius A. The ratio of a to A is 4 : 7. If the area of the small circle is 169π cm2, find A. Express the answer in mixed number.
Level 2
Jack bought some paint to paint his house. He used 1835 ℓ of paint for the living room, 812 ℓ of paint for the study room and 1034 ℓ of paint for the master bedroom. How many litres of paint did he use altogether? Give your answer as a mixed number in its simplest form.
Level 2
Jasmine made 8 jugs of lemonade for a birthday party. There were 156 litres of lemonade in each jug. How many litres of lemonade did she make altogether? Express the answer as a mixed number in its simplest form.
Level 2
Pamela used 1112 ℓ of paint to paint a fence. How much paint did she use to paint 4 such fences? Express your answer as a mixed number in its simplest form.
Level 2
W, X, Y and Z are mid-points of the sides of the square. If the area of the square is 100 cm2, what is the area of the unshaded triangles? Leave your answer in mixed number.
Level 2
W, X, Y and Z are mid-points of the sides of the square. If the area of the square is 100 cm2, what is the area of the unshaded triangles? Leave your answer in mixed number.
Level 3
It takes Angel 9 hours to sew a blouse by herself. If Belina helps her, they will take 5 hours to sew the blouse. How long will Belinda take to sew the blouse by herself? Express the answer in mixed number.
Level 3
Ronnie and Dave, together, can clean a room in 3 hours. If Ronnie is cleaning the room alone, he can only complete the task in 9 hours. How long will Dave take to clean a room all by himself? Express the answer in mixed number.
Level 3
8 workers take 10 hours to build 4 bookshelves. How many hours will 6 workers take to build 2 bookshelves? Express the answer in mixed number of hours.
Level 3
There are 20% as many green beads as red beads in May's collection of beads. The number of purple beads is 30% fewer than the number of red beads. There are 330 more purple beads than green beads.
Find the total number of beads in the collection.
What percentage are the number of red beads as compared to the number of purple beads? Leave your answer as a mixed number in its simplest form.
Level 2
Anna's money is 34 of Samantha's money. Samantha gives 12 of her money to Anna. Express Anna's money as a fraction of Samantha's money after Anna received the money from Samantha. (Give your answer as a mixed number.)
Level 3
A coach driver drove the first 4 h of a journey at an average speed 64 km/h. Driving at an average speed of 90 km/h, he then took another 5 h to complete his remaining journey. Find his average speed for the whole journey. Give the answer in mixed number.
Level 3
Loisa left the house at 11.30 a.m. and drove towards her office. 1 hour later, her brother left house and drove towards the same office at 76 km/h. When the brother reached the office at 3.30 p.m., Loisa had another 3 km to travel. What was Loisa's average speed? Express the answer in mixed number.
Level 3
Mrs Tan left home at 9 a.m. and drove towards the city. 1 13 hour later, Mrs Tan left the house and drove at an average speed of 100 km/h towards the city. When Mrs Tan reached his destination at 1 p.m., Mrs Tan was 20 km away from the city. Find Mrs Tan's average speed in km/h. Express the answer in mixed number.
Level 3
At 10 a.m., Mrs Leng used two taps to fill up a tank. Tap A could fill the tank in 4 h. Tap B could fill the tank in 3 h. 1 hour after both taps were turned on, Tap B was faulty and stopped working. Mrs Leng accidentally opened Tap C which could drain a full tank completely in 2 h. Instead of being filled, the tank was emptied. How long did it take for the tank to be completely empty? Express your answer in mixed number.
