
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). The number in the central overlapping region where all three circles intersect is .
How many people know all the three languages?
- A50
- B150
- C300
- D1050
Solution & Step-by-step Explanation
To find the number of people who know all three languages, we look directly at the common central intersection region of all three sets (Kannada, Hindi, and Telugu).
According to the standard diagram values for this configuration, the central intersection contains the value .
Therefore, people know all three languages.
According to the standard diagram values for this configuration, the central intersection contains the value .
Therefore, people know all three languages.