Question

in a group of persons travelling in a bus, 6 persons can speak French 15 can speak Spanish and 6 can speak english, In that group , none can speak any other language if two persons in a group can speak two languages and one persons can speak all the three languages , then how many persons are there in the groups​

Answer 1

Answer:

23... is the right ans i hope

Answer 2

Answer:

23

Explanation:

27-4 = 23

total people = 27

2 can speak two languages so these two must be included in two groups and 1 is included in all three so 2 are 2 times and 1 is three times

so total of 4 person need to be subtracted