The venn diagram show a class of 50 students with…

The venn diagram show a class of 50 students with the games they play. How many students play only two games?

• A. 15
• B. 16
• C. 18
• D. 20

QUICK ANSWER…

A

SOLUTION…  

The number of students that play only two games = the sum of all numbers intersecting only two sports.

This is = 4 + 3 + 8 = 15

Now for the right answer to the above question:

1. Option A is correct.
2. Option B is incorrect.
3. C is incorrect.
4. D is not the correct answer.

KEY-POINTS…

You may please note these/this:

• From the venn diagram, the number of students that play all three sports = 2
• The number that play only one sport = 10 + 7 + 6 = 23
• And the number of students that do not play any of the games = 10.

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/ culled from 2016 JAMB-UTME mathematics past question 10 /