Level 2
Janice mistakenly multiplied 27 by 100 instead of multiplying a given number by 100. If the result was 4500 less than the correct answer, what was the given number?
2 m
Level 3
In October, the ratio of boys and girls in a school's rifle club was 4 : 7. In November, 68 new members joined the club. As a result, the ratio of boys to girls in the club became 4 : 3. There were 64 boys in the club in October. How many of the new members were girls?
4 m
Level 3
The number of red grapes is the same as the number of green grapes in a bag. After removing 14 of the grapes, there were 36 red grapes and 54 green grapes left in the bag. Then another 20 red grapes and 20 green grapes were removed and there were 512 of the grapes left in the end. How many red grapes were removed altogether?
4 m
Level 3
Reena bought some fruits. She spent $10 more than 23 of her money on some pears. She then spent $8 more than 20% of the remaining money on some pineapples. Given that she had $16 left,
  1. how much did Reena have at first?
  2. how many kilograms of pineapples did she buy if they cost $2 per kg?
4 m
Level 2
If you multiply a number by 8, then add 13, then subtract 9, you will get 100. What is the number?
2 m
Level 3
The total volume of water in Watering Can A, Watering Can B and Watering Can C was 205 mℓ. I poured out half the volume of water from Watering Can A, doubled the amount of water in Watering Can B and added 55 mℓ of water into Watering Can C. The ratio of the volume of water in Watering Can A to Watering Can B to Watering Can C is now 5 : 4 : 8. Find the total volume of water in the three watering cans now.
4 m
Level 3
Lisa and Gillian had a total of 64 beads. Lisa gave 13 of her beads to Gillian. In return, Gillian gave 15 of the total number of beads that she had to Lisa. In the end, each girl had the same number of beads. How many beads did Gillian have at first?
4 m
Level 3
Hazel had $300 more than Wendy. Hazel gave 35 of her money to Wendy. Wendy then gave 25% of her money to Hazel. In the end, Wendy had $186 more than Hazel. How much did Hazel have at first?
4 m
Level 3
Kate had $280 more than Natalie. Kate gave 35 of her money to Natalie. Natalie then gave 25% of her money to Kate. In the end, Kate had $146 less than Natalie. How much did Kate have at first?
4 m
Level 2
Ben thought of a fraction. He multiplied the fraction by 25. then he added 8 to the answer. He got 23 as the answer. What is the fraction that Ben thought of? Express the answer in the simplest form.
3 m
Level 3
A group of friends went for lunch together. After lunch, half of them went home. Among those who remained, 7 of them went shopping together while the rest went for a movie. For those who went for the movie, 4 of them went home after the movie and the remaining 5 of them decided to go for dinner. How many friends went for lunch together?
3 m
Level 3
Mrs Wang made some puffs and ate 24. Her neighbour gave her 38 more and Mrs Wang brought 35 puffs to work. In the end, she was left with 76 puffs. How many puffs did Mrs Wang make?
3 m
Level 3
Bryan had some stickers. He gave 15 of his stickers to John and bought 4 new stickers. After that, he gave 13 of his remaining stickers to his brother and bought another 7 new stickers. In the end, Bryan had 55 stickers.
  1. How many stickers did Bryan give to his brother?
  2. How many stickers did Bryan have at first?
4 m
Level 3
John spent 37 of his salary and gave $880 to his wife. Of the remaining amount, he saved 15 of it and gave 310 of it to his parents. He then donated 23 of what he had left away and gave the remaining $56 to his daughter. What was John's salary?
4 m
Level 3
At the bus interchange, some passengers boarded the bus. At the first stop, 17 passengers alighted and 3 passengers boarded the bus. At the second stop, only 24 passengers boarded the bus. When the bus left the second stop, there were 54 passengers on the bus. How many passengers boarded the bus at the interchange?
3 m
Level 3
On Tuesday, Will read 37 of a novel. On Wednesday, he read 12 pages of the novel. On Thursday, he read 47 of the remaining book leaving 36 pages unread.
  1. Find the number of pages read on Thursday.
  2. Find the total number of pages in the novel.
4 m
Level 3
Eva, Sarah and Penny had 1188 marbles. Sarah won some of the marbles from Eva and as a result, Sarah's marbles increased by 20%. Penny then won some marbles from Sarah and Penny's marbles increased by 40%. Finally, Penny lost some of her marbles to Eva and Eva's marbles increased by 20%. In the end, they realised that they each had an equal number of marbles. How many percent less did Eva have in the end than what she had at first? Correct your answer to 1 decimal place.
5 m
Level 3
Kylie had some shortbreads. She sold 34 of the shortbreads. She ate 13 of the remainder and an additional 4 more. She had 44 shortbreads left in the end. How many shortbreads did Kylie have at first?
4 m
Level 3
Reggie had some money. He spent 14 of his money and an additional $33 on books. He spent 56 of the remainder and an additional $11 on food. He had $14 left. How much money did he have at first?
4 m
Level 3
Mrs Lee gave Wendy and Yvonne some money each on Saturday. On Sunday, Wendy gave 15 of the amount she had to Yvonne. On Monday, Yvonne gave 14 of the amount she had to Wendy. In the end, Wendy had $65 and Yvonne had $147. How much did Yvonne had more than Wendy at first?
4 m