Level 3
Ian had 140 more stickers than Ethan. Ian gave 25% of his stickers to Ethan. Ethan in return gave 80% of his stickers to Ian. In the end, Ian had 282 more stickers than Ethan. How many stickers did Ian have at first?
4 m
Level 3
Half an hour ago, 50% of the people at a circus were females. 42 females and 2 males left afterwards. The remaining people were then told to form groups of 5. In each group, there were 3 males. How many people were there at the circus in the end?
4 m
Level 3
Ethan had 40% as many beads as Ben. After Ethan and Ben bought another 50 beads and 15 beads respectively, Ethan had 50% more beads than Ben. How many beads did Ethan have at first?
4 m
Level 3
Tim had 40% more muffins than Rael. Tim gave 20% of his muffins to Rael. Rael in return gave 50% of his muffins to Tim. In the end, Rael had 448 less muffins than Tim. How many muffins did Tim have at first?
4 m
Level 3
If Yvonne gives Oscar $27, the amount of money she has will be 25% of his. If Oscar gives Yvonne $12, he will have the same amount of money as her. How much money did each of them have?
(a) Oscar
(b) Yvonne
4 m
Level 3 PSLE
Andy had $180 and Benny had some money at first. After Andy spent $79 and Benny spent 35% of his money, they had a total of $140 left. How much money did Benny have at first?
4 m
Level 3
In a contest, two people will have to answer 100 questions each. They score 1 point for each correct answer. The contest has not ended yet. Each person has already answered 90 questions. Person A has answered 60% of the first 90 questions correctly. Person B has answered 50% of the first 90 questions correctly. What is the minimum number of points that Person A must get from the last 10 questions to win the contest?
4 m
Level 3 PSLE
Annie and Bindy made some butter muffins and raisin muffins. Annie made 33 more butter muffins than raisin muffins. Bindy made 65 more raisin muffins than butter muffins. The total number of butter muffins made up 42% of the total number of muffins they made. How many raisin muffins did they make altogether?
4 m
Level 3
At an event held at the stadium, 80% of the audience were adults. The female audience was made up of 70% of the children and 30% of the adults. There were 64 more girls than boys.
  1. How many people went to the stadium in total?
  2. Some women left before the event ended, after which 20% of the remaining people at the stadium were women. How many women left the stadium before it ended?
5 m
Level 3
There were some avocados in 3 boxes, E, F and G. 30% of the number of avocados in Box E was equal to 60% of the number of avocados in Box F. The number of avocados in Box G was 60% of the total number of avocados in Box E and F. After Oscar removed 20% of the avocados in Box G, there were 88 more avocados in Box F than in Box G. In the end, how many avocados should be transferred from Box F to Box G so that the avocados in Box G would be the same as Box E?
5 m
Level 3
On Monday, 700 more youths than children attended a concert. On Tuesday, the number of youths decreased by 30% and the number of children increased by 80%. 1240 audience attended the concert on Tuesday. If each ticket cost $12, how much money was collected from the sale of concert tickets for the two days?
5 m
Level 3
20% of the people are performers for a concert and the rest are spectators. 80% of the spectators are adults and there are 3900 more adults spectators than children spectators. How many adult spectators must leave so that 25% of the people in the concert are adult spectators?
5 m
Level 3
Last month Mr Zhang gave his wife, Anna $4000 for household expenditure. Anna spent 60% of the sum on rental, 30% on food and saved the rest. This month, Mr Zhang reduced the sum he gave to Anna. Anna spent the same amount on rental and reduced the amount she spent on food by 30%. She saved the remaining 10% of the sum given to her this month. By what percentage was the sum given to Anna reduced?
5 m
Level 3
There were some pink erasers and blue erasers. The erasers were packed into 2 bags. At first, Bag A contained 480 erasers and 40% of them were blue erasers. Bag B contained 300 erasers and 80% of them were blue erasers. How many pink erasers and blue erasers in total must be moved from Bag A to Bag B such that 20% of the erasers in Bag A are pink and 50% of the erasers in Bag B are blue?
5 m
Level 3
Container A contains 480 blue buttons and 590 purple buttons. Container B contains 590 blue buttons and 410 purple buttons. How many blue buttons and purple buttons must be removed from Container B to put into Container A so that 50% of the buttons in Container A are blue and 60% of the buttons in Container B are blue?
5 m
Level 3
Sarah had 70% as many candies as Xuan. Sarah gave away 10% of her candies and Xuan bought another 99 candies. As a result, Sarah now has 30% as many candies as Xuan. Find the number of candies that Xuan had at first.
5 m
Level 3
On Monday, there were 320 more adults than children at the funfair. On Tuesday, the number of adults increased by 65% and the number of children increased by 55%. There were 1552 people on Tuesday. How many adults were there on Monday?
5 m
Level 3
During a sale, the discount given by Shop A and Shop B are as shown:
Shop A - Discount of $6 for every $30 spent
Shop B - 20% off Storewide


  1. Mary wants to buy a dress. The price of the dress before discount in both shops is $280. What is the savings that Mary makes if she buys at the shop that sells the same dress cheaper?
  2. Linda bought a belt and a handbag from Shop A and paid $168. What was the total cost of the belt and the handbag before the discount?
  3. The price of the same handbag after discount at Shop B is $38.40. Given that the price of the handbag before discount is the same in both shops, what is the percentage discount given to the handbag at Shop A? Round off the answer to 1 decimal place.
5 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
10 days ago, Ruth had a total of 250 green and violet stickers. 40% of her stickers were violet stickers. Today, her father gave her some more stickers. As a result, her green stickers increased by 30%. Now, 50% of her stickers are violet stickers. How many violet stickers did her father give her?
5 m