Question:
In a group of 15 people, 7 read French, 8 read English while 3 of them read none of these two. How many of them read French and English both?
In a group of 15 people, 7 read French, 8 read English while 3 of them read none of these two. How many of them read French and English both?
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Use inclusion–exclusion principle for language problems.
Updated On: Apr 7, 2026
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The Correct Option is B
Solution and Explanation
People reading at least one language:
\[
15 - 3 = 12
\]
Using formula:
\[
7 + 8 - x = 12
\]
\[
x = 3
\]
\[
\therefore \text{Both languages = 3}
\]
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