91 P5.RD.JM.17083143
Level 3
At a wedding function, the ratio of the number of men to the number of women was 13 : 5. If 35% of the women left, what percentage of the men must leave so that there will be an equal number of men and women remaining?
3 m
D division Ratio to units Percent of a set Equal stage after All change Units table Decimal units
92 P6.RD.TL.16010125
Level 3
At a fruit stall, there were 399 mangosteens and lemons at first. 34 of the mangosteens and 23 of the lemons were sold. In the end, there were same number of mangosteens and lemons. How many more mangosteens than lemons were sold?
3 m
Fraction to units More than or less than Equal stage after All change Units table Units manipulation
93 P6.RD.TL.16010110
Level 3
The ratio of Henry's total points to that of Vincent's in a mock test was 6 : 7. In the next mock test, Henry's points increased by 70%. By what percentage must Vincent's points be increased if their total points were to be the same? Round off the answer to the nearest whole number.
3 m
W Round off Ratio to units Finding percent Percent change by Percent to units Equal stage after All change Units table Units manipulation
94 P6.RD.NK.21060209
Level 3 PSLE
On Saturday, the number of adults to boys to girls visiting a zoo was 3 : 6 : 5. On Sunday, the number of adults visiting the zoo remained the same. However, the number of boys increased by 50% and the number of girls decreased by 20%.
  1. What was the ratio of the number of adults to boys to girls visiting the zoo on Sunday?
  2. On Saturday, 572 boys and girls visited the zoo. What was the total number of visitors at the zoo on Sunday?
3 m
Finding ratio Ratio to units Percent change by All change Units table
95 P4.RD.JM.17110101
Level 3
Mrs. Tay had an equal number of pears and apples at first. She sold half of the apples and bought another 42 pears. In the end, she had thrice as many pears as apples. Find the number of apples she had at first.
4 m
Fraction of a set Times as many Equal stage before All change Units table
96 P6.RD.JC.22031808
Level 3 PSLE
The number of boys and girls taking part in a quiz are in the ratio 4 : 7. These students are put into two groups. 60% of the boys and 30% of the girls are in Group 1. The rest of the students are in Group 2.
  1. What is the ratio of the number of students in Group 2 to Group 1? Give your answer in the simplest form.
  2. The number of boys in Group 2 is fewer than 50. What is the largest possible total number of students taking part in the quiz?
3 m
F Multiplication Finding ratio R Simplest form Ratio to units Percent of a set Sets Min-max
97 P5.RD.JM.17083136
Level 3
In a box, 45% of the pens are red, 15% are blue and the rest are yellow.
  1. What fraction of the pens is yellow? Give your answer in the simplest form.
  2. There are 588 yellow pens in the box. How many pens are there in the box altogether?
3 m
Fraction of a whole Percent of a set Percent to units Units method
98 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
99 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
100 P5.RD.JM.17083348
Level 3
Victor needed exactly 90 m of cloth to make 18 small identical banners and 9 big identical banners. He had some cloth which was just enough to make all the small banners and 5 big banners. He used 12112 cm for each small banner.
  1. How much cloth would he need to make 1 big banner?
  2. How much cloth was he short of to make the remaining big banners?
4 m
D 4 operations Fraction to decimal Length Model

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