261 P5.ST.JC.18121052
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
Ratio to units Proportional exchange Units table Units & parts Elimination
262 P6.RD.JC.21022801
Level 3
The number of girls in the dance club was 25 the number of boys in it. The number of girls in the computer club was 67 the total number of students in it. The total number of students in the dance club was 12 the total number of students in the computer club. Find the ratio of the number of boys in the computer club to the number of boys in the dance club.
3 m
Fraction to units Finding ratio Units manipuation Units table
263 P5.RD.JC.17083142
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
Finding percent Percent of a set Fraction to percent Fraction to units Times as many All change Units table
264 P6.PC.TL.16010103
Level 3
Some adult passengers are on a coach. If 25 tourists alight from the coach, the percentage of locals will increase from 15% to 40%. How many passengers are there in the coach?
3 m
Percent change to Percent to units Percent of different bases Unchanged quantity Units table
265 P6.PC.TL.16010102
Level 3
In a box, there are some mangosteens and lemons. If 80 more lemons are put into the box, the percentage of mangosteens will decrease from 70% to 30%. How many mangosteens are there in the box?
3 m
Percent change to Percent to units Percent of different bases Unchanged quantity Units table
266 P6.PC.TL.16010101
Level 3
A store owner had 505 kg of fresh honeydews. The honeydews contained 60% water when fresh. One week later, there was only 50% water left in the honeydews. What was the mass of the honeydews one week later?
3 m
Percent change to Percent to units Percent of different bases Mass Unchanged quantity Units table
267 P5.FR.JM.17083091
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
Fraction to units Money Number x value Units table
268 P6.DA.NK.21060912
Level 2 PSLE
Bella bought three types of fruit. The prices are given in the table.
The bar graph shows the number of each type of fruit bought.
  1. What fraction of the fruits Bella bought were mango? Give your answer in the simplest form.
  2. On which type of fruit did Bella spend the most? Give your answer in letter. (Eg Apples = A)
  3. How much did she spend on that type of fruit?
3 m
Bar graph Table Money Fraction of a set Min-max Number x value Units table
269 P6.AP.TL.17090761
Level 2
The figure, not drawn to scale, is made up of 3 circles. The ratio of the area of the smallest circle to the largest circle is 2 : 5 while the shaded area is 37 of the unshaded area. What is the ratio of the shaded area to the area of the smallest circle?
2 m
Circle Overlapping area Fraction to units Ratio to units Unchanged total Units table
270 P6.PC.TL.16010138
Level 3
60% of the pupils are boys. 40% of the boys and 40% of the girls wear cardigans. What percentage of the pupils do not wear cardigans?
3 m
Finding percent Percent of a set Percent of different bases Branching Unchanged total Units table
271 P6.PC.TL.16010105
Level 3
Ethan and Ian share a sum of money. Ethan receives $2400. If Ethan gets $105 less, the amount of money Ian gets will increase by 35%. Find the sum of money that the boys share.
3 m
Percent change by Percent to units Money Internal transfer Unchanged total Units table
272 P5.FR.JM.17083021
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
Fraction of a set Fraction to units Unchanged quantity Units table
273 P6.PC.TL.16010107
Level 3
Carl was fixing a jigsaw puzzle. By the second day, the number of pieces he fixed was 20% of the number of pieces unfixed. After another 8 days, he fixed another 196 pieces and the number of unfixed pieces he was left with was 20% of the number of pieces fixed. How many pieces were left unfixed?
3 m
Percent of a set Percent to units Percent of different bases Unchanged total Units table Units manipulation
274 P5.RD.JM.17083119
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
Mixed numbers Percent of a set Percent to units More than or less than Repeated identity Units table
275 P6.PC.TL.16010131
Level 3
Henry, Jack and Liam sold some calculators. Liam sold 30% of the total number of calculators sold by Jack and Henry. Henry sold 20% of the total number of calculators sold by Jack and Liam. Jack sold 87 more calculators than Liam. Find the total number of calculators sold by all the boys.
3 m
Percent of a set Percent to units Percent of different bases Unchanged total Units table
276 P5.FR.JM.17083022
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
Fraction of a whole Improper fractions Mixed numbers F Multiplication Fraction to units Internal transfer Units table
277 P6.RA.TL.16010180
Level 3
The amount of lemon syrup to the amount of water in Cup A is in the ratio 2 : 5. The amount of lemon syrup to the amount of water in Cup B is in the ratio 1 : 6. There is an equal amount of lemon syrup in both cups. Cup B contains 189 mℓ more water than Cup A. What is the amount of lemon syrup in Cup A? Leave the answer in mℓ.
3 m
Ratio to units Volume More than or less than Equal stage Units table Units manipulation
278 P6.PC.TL.16010106
Level 3
Kate and Yvonne collected stamps. Kate gave 30% of her stamps to Yvonne and as a result, Yvonne's stamps increased by 70%. If Kate had 294 stamps left, find the total number of stamps the two girls had at first.
3 m
Percent change by Percent to units Percent of different bases Internal transfer Units table Units manipulation
279 P6.PC.TL.16010132
Level 3
Betty, Mary and Jane shared a sum of money. Betty and Mary received 80% of the total amount of money. Mary and Jane received 50% of the total amount of money. Given that Betty received $66 more than Jane, how much was the sum of money that was shared by Betty and Jane?
3 m
Percent to units Money Unchanged total Units table
280 P5.RD.JM.17083162
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
Fraction of a whole Ratio to units Combined repeated identity Units table

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