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Venn Diagrams · Question 38 of 65

The diagram shows how a group of office-goers travel to work in a week.

Question 38

MediumOriginal question

The diagram shows how a group of office-goers travel to work in a week. How many more people use the Metro than use the Bus?

Venn diagram of three overlapping circles labelled Bus, Metro and Bicycle. Only Bus: 16. Only Metro: 21. Only Bicycle: 5. Bus and Metro only: 13. Bus and Bicycle only: 2. Metro and Bicycle only: 6. All three: 1.
Options for question 38

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. Metro users =21+13+6+1=41= 21 + 13 + 6 + 1 = 41.

  2. Bus users =16+13+2+1=32= 16 + 13 + 2 + 1 = 32.

  3. Difference =41−32=9= 41 - 32 = 9.

Worth noting

41 and 32 are the two totals, not their difference; 73 adds them. Compare whole circles, not just the 'only' regions.

Concept
Comparing the sizes of two sets
Typical time
70 s
Your time
—
The rule this testsReading a labelled diagram
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Ten questions from Venn Diagrams, at your own pace.

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