Fill in the blanks.
The number of boys is 2 more than the girls.
The number of adults is thrice the number of children.
Let the number of girls be 1 u.

  1. Number of boys = 1 u + _____
  2. Number of children = 2 u + _____
  3. Number of adults = _____ u + 6
  4. Number of people = _____ u + 4
2 m
Fill in the blanks.
The number of boys is 4 times as many as the number of girls.
The number of adults is twice the number of children. Let the number of girls be 1 u.

  1. Number of boys = _____ u
  2. Number of adults = _____ u
  3. Total number of people = _____ u
2 m
The ratio of the number of banana muffins to strawberry tarts is 3 : 5. The ratio of the number of kaya cookies to the total number of banana and strawberry tarts is 5 : 1. What fraction of the tarts are strawberry tarts?
2 m
At a zoo, 14 of the visitors were men. The remaining visitors were women and children in the ratio of 1:3. If there were 150 more children than men. How many visitors were there at the zoo?
2 m
Fill in the blanks.
The ratio of adults to children is 1 : 2.
The ratio of boys to girls is 3 : 5.
Use LCM and find the following.

  1. Number of adults = _____ u
  2. Number of boys = _____ u
  3. Difference in the number of boys and girls = _____ u
  4. Total number of people = _____ u
4 m
Fill in the blanks in whole numbers or fractions only.
The ratio of adults to children is 1 : 2.
The ratio of boys to girls is 3 : 5.
The number of women to men is 2 : 3.
Let the number of children be 2 u.

  1. Number of adults = _____ u
  2. Number of boys = _____ u
  3. Number of women = _____ u
  4. Total number of people = _____ u
3 m
Fill in the blanks in whole numbers or decimals only.
The ratio of adults to children is 1 : 2.
The ratio of boys to girls is 3 : 5.
The number of women to men is 2 : 3.
Let the number of children be 2 u.

  1. Number of adults = _____ u
  2. Number of boys = _____ u
  3. Number of women = _____ u
  4. Difference between the number of boys and women = _____ u
3 m
PSLE
A rope was first cut into two pieces in the ratio 3 : 2. The longer piece was then cut into two pieces in the ratio 3 : 1. Among the three pieces, the length of the shortest piece was 6 cm. What was the length of the rope before it was first cut?
2 m
During a survey, some people responded that they preferred badminton to other sports. The ratio of the number of women to the number of men who liked badminton was 3 : 1. The ratio of the number of people who liked badminton to those who disliked it was 3 : 1. If 20% of the people who did not like badminton were women, what was the ratio of the number of men to the number of women chosen for the survey?
4 m
In a school, 0.8 of the girls and 0.3 of the boys take part in CCAs. There is an equal number of boys and girls who do not take part in CCAs. If 378 pupils do not take part in CCAs, how many more pupils take part in CCAs than those who do not take part in CCAs?
4 m