Other questions in this quiz

2. There are 30 students in a class, the ratio of boys to girls is 2:1. Assuming the same number of boys, how many more girls are needed in the class to invert this ratio (i.e so that it is 1:2)?

  • 10
  • 40
  • 30
  • 20

3. Which of the following is an example of odds notation?

  • 15/7
  • 15:7
  • 15 to 7
  • 15 2 7

4. Out of 100 pens, 30 are red, 45 are blue and the rest are green. Which of the following expresses the ratio of red pens to green pens to blue pens?

  • 5:9:6
  • 6:5:9
  • 9:6:5
  • 6:9:5

5. If x is 4 times bigger than y, and the difference between x and y is 9, what is x equal to?

  • 9
  • 10
  • 12
  • 24

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