
The following Venn diagram shows the result of a survey of persons in a city with respect to their knowledge of Kannada (K), Hindi (H) and Telugu (T). Let the exclusive single language regions be represented by the values: (for Kannada only), (for Hindi only), and (for Telugu only).
How many people know only one language?
- A1000
- B1050
- C50
- D400
Solution & Step-by-step Explanation
To find the total number of people who know only one language, we need to add the numbers from the regions that belong exclusively to a single circle (Kannada only, Hindi only, and Telugu only).
Given exclusive region values:
* Kannada only =
* Hindi only =
* Telugu only =
Therefore, people know only one language.
Given exclusive region values:
* Kannada only =
* Hindi only =
* Telugu only =
Therefore, people know only one language.