Consider the following diagram.
How many students like both geography and mathematics but NOT history?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 11
| Understanding |
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Number of students who like both geography and mathematics = 10 + 4 + 7 = 21 Number of students who like both geography and mathematics but NOT history = (Number of students who like both geography and mathematics) - (Number of students who do not like history) = 21 - 10 = 11 The number of students who like both geography and mathematics but NOT history is 11. |