In a row Neha is 12th from left end Bharti is 17th from right end. Bharti is right to Neha . If there are 5 persons between them . Then how many persons are there in the row. 

34

Total number of persons in the row= Position of Neha from left + Position of Bharti from right + persons in between Neha  and Bharti 

                                                  = 12 + 17 + 5

                                                  = 34