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 languages only and one person can speak all the three languages, then how many persons are there in the group?
Explanation & Solution
Correct Option: (C) 23
हिंदी में प्रश्न एवं आदर्श उत्तर
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 languages only and one person can speak all the three languages, then how many persons are there in the group?
सही उत्तर: (C) 23