TS ICET 23 May 2018 Shift 2 Paper

Directions for questions 54 and 55

In a group of 160 people, each person speaks Telugu or English or Tamil. 20 persons speak all the three languages. 100 persons speak at least two languages of the three. s information answer questions 54 and 55.

Question : 54 of 200

Marks: +1, -0

How many persons in the group speak exactly two languages of the three?

Validate

Solution:

From the given information we can draw the Venn diagram as follows:

In the above diagram g = 20.
b + g + e + d = 100.
The number of people who speak exactly two languages is

(b + e + d) = 100-g

b + e + d = 100 -20 = 80

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