School camp T-shirts were available in 4 colours: yellow, blue, red and green. At the camp, each child chose one T-shirt. The pie chart represents the children's choice of T-shirt colours. 40 children chose red T-shirts. The children's choice of T-shirt colours is also represented by the bar graph. The bar that shows the number of children who chose yellow T-shirts has not been drawn. How many children chose yellow T-shirts?
2 m
A school conducted checks on its Primary 6 students' eyesight from Tuesday to Friday. Each student had their eyes checked on one of the four days. The bar graph shows the number of students that were checked on each day. What percentage of the Primary 6 students had their eyes checked on Tuesday?
2 m
A shop sold three brands of pens: Brand A, Brand B and Brand C. The bar graph shows the number of pens sold for each brand in one day.
  1. How many pens were sold altogether?
  2. The shop collected $270 from selling the pens. The prices of Brand A, Brand B, and Brand C pens were in the ratio 1 : 2 : 3. How much money was collected from selling Brand B pens?
2 m
The bar graph shows the number of printers sold by Mr. Owen in 4 months. The bar that shows the number of printers sold in December has not been drawn. The number of printers sold in October was 30% of the total number of printers sold in the 4 months.
  1. What was the total number of printers sold in the 4 months?
  2. What was the number of printers sold in December?
2 m
The graph shows the mass of a cup when empty and when different combinations of objects A, Band C are placed in the cup.
  1. What is the mass of the empty cup?
  2. What is the average mass of the objects A, Band C?
2 m
Books in a class library are grouped according to the following four types: Riddles, Poetry, Folktale, and Crafts. The bar graph shows the number of books of each type in the class library.
  1. What percentage of books in the class library was of the Folktale type?
  2. There were 38 students in the class. Every student in the class took three or four books home to read over the weekend. No book was left in the classroom. How many students took three books home?
2 m