Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam gives away 10 blue stickers and gives away 20 red stickers,
the ratio becomes of the number of blue stickers to red stickers is 9 : 2.
How many stickers does Adam have now?
3 m
Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam buys another 20 red stickers and gives away 10 blue stickers,
the ratio becomes of the number of blue stickers to red stickers is 3 : 2.
How many stickers does Adam have now?
3 m
Level 3
A coin bank contains some twenty-cent and fifty-cent coins in the ratio of 2 : 5.
When 10 fifty-cent coins are taken out and
exchanged with some twenty-cent coins of the same value,
the ratio became 8 : 9.
Find the sum of money in the coin box in dollars.
3 m
Level 3
Last year, there were 48 members in a school music club. The number of girls was 35 the number of boys.
  1. What percentage of the members were girls last year?
  2. This year, 4 boys left the club and 6 girls joined the club. What percentage of the members are girls this year?
4 m
Level 2
Mr Seetoh paid a total of $20 for one adult and two child tickets. If a child ticket was 34 of the price of an adult ticket, what was the price of an adult ticket?
2 m
Level 2
The figure shows some identical beads. How many unshaded beads must be removed so that 13 of the figure is unshaded?
2 m
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.
  1. Find the total number of beads in the collection.
  2. 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.
4 m
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.)
2 m
Level 3
Abby, Becca, Clara and Demi jointly contributed to the cost of a present for their friend. Abby's contribution is 25 of the total contribution made by the four girls. The ratio of Demi's contribution to the total of Becca's and Clara's contribution is 4 : 1. What is the total contribution by the four girls if Becca's contribution is 15 of Clara's contribution and the total amount contributed by Abby and Demi is $132?
4 m
Level 3
Tabitha purchased a bottle of rose syrup to make drinks. She used 37 of the liquid in January. She then used the remaining syrup in February and March in the ratio 3 : 7. Given that the amount of the rose syrup used in January was 0.18 ℓ more than that used on the February, how many millilitres of rose syrup did the bottle contain at first?
4 m
Level 3
There were some red, blue and green pens in a box. 19 of the pens were blue. The ratio of the number of red pens to the number of green pens was 3 : 5. There were 288 fewer blue pens than green pens.
  1. Find the ratio of the number of red pens to the number of blue pens to the number of green pens in the box.
  2. How many green pens were there?
4 m
Level 3
The ratio of saloon cars to the total number of cars on display in Ken's car shop was 2 : 7. 25 of the remaining bikes on display were family cars and the rest were electric cars and sports cars in the ratio of 10 : 3. If there were 16 more electric cars than saloon cars, how many sports cars were there?
4 m
Level 3
In the stationery shop, 14 of the books sold were Math books. 13 of the remaining books sold were English books. The ratio of the number of English books sold to the number of Chinese books was 7 : 6. The number of Science books sold was 56. How many books were sold altogether?
4 m
Level 2
The bar graph shows the number of packets of different food collected in a donation drive.
  1. 15 of the total number of packets of food collected was coffee. How many packets of rice were collected?
  2. The table shows the mass of each packet of food. What is the difference between the total mass of noodles collected and the total mass of biscuits collected? Give your answer in kg.
3 m
Level 3
At a school sports festival, 13 of the participants were P5 and P6 students. 25 of the remaining participants were P3 and P4 students. The rest were P1 and P2 students in the ratio of 3 : 7 respectively. There were 208 fewer P1 students than the total number of P5 and P6 students. How many students were there at the school sports festival?
4 m
Level 3
A box contained red, blue and purple markers. 25 of the markers were red and 29 of the remainder were blue markers. The rest were purple markers.
  1. Find the ratio of the number of purple markers to the number of red markers.
  2. There were 160 fewer blue markers than red markers. How many markers were there in the box?
4 m
Level 2
The table shows a plant's height on the first day of each month from January to May.
  1. What was the height of the plant on 1st February? Give the answer to the nearest cm.
  2. What was the increase in the plant's height from 1st April to 1st May?
3 m
Level 2
Archie has thrice as many buttons as Flynn. How many buttons must Archie give Flynn so that each of them has 40 buttons?
2 m
Level 3
At a school carnival, each boy received 3 packets of sweets and each girl received 4 packets of sweets. Each accompanying adult received 2 packets of sweets. 27 of the people at the school carnival were adults. The ratio of the number of boys to the number of girls at the carnival was 5 : 8. Given that only 6601 packets of sweets were given away, how many people were there at the carnival?
4 m
Level 2
The table shows the prices of a similar dress from two different malls.
  1. Which mall sells the dress at a cheaper price? (A or B)
  2. How much cheaper is the dress?
3 m