Question

In a group of persons travelling in a train, 8 persons can speak hindi, 15 can speak kannada and 10 can speak english. In that group no one can speak any language other than these three languages. 2 persons in the group can speak 2 languages and 3 persons can speak all 3 languages. How many persons are there in the group​

Answer 1

Answer:

g

Step-by-step explanation:

Answer 2

Answer:

I hope it helps you

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Step-by-step explanation:

People can speak tamil, hindi and gujrati

Tamil speakers – persons who can speak is 6.

Only Tamil speakers are 6–2–1=3

Hindi speakers - persons who can speak is 15.

Only Hindi speakers are 15–2–112

Gujarati speakers – persons who can speak is 6.

Only Gujarati speakers are 6–1=5

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

Number of persons who can speak two languages = 2

Number of person who an speak all the languages = 1

Total number of persons = 23.

Hence, Option C is correct