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manahar shyam

· started a discussion

· 1 Months ago

Question language problem (Question:477342.0)

I think there is error in language of question please explain it

Question:

In a group of persons travelling in a bus, 6 persons can speak Tamil, 15 can speak Hindi and 6 can speak Gujarati. In that group, none can speak any other language. If 2 persons in the group can speak two other language. If 2 persons in the group can speak two languages and one person can speak all the three languages, then how many persons are there in the group?

Options:
A)

21

B)

22

C)

23

D)

24

Solution:

Ans: (c) Number of person who can speak only Tamil = 6 – 2 – 1 = 3

Number of person who can speak only Hindi = 15 – 2 – 1 = 12

Number of person who can speak only Gujarati = 6 – 1 = 5

Thus, the number of person who can speak only one language is = 3 + 12 + 5 = 20

Number of person who can speak two languages = 2

Number of person who can speak all the languages = 1

Total number of person = 23

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