A school teacher is trying to assign seats to six students Tonima Tarin Shuvo, Novo Ashik and Rashik. A classroom has eight seats in four rows of two seats each arrangement must be made according to the following conditions. -Tonima must sit alone in a row -Train must sit in the row as Nova -Shuvo can not sit in the same row as Ashik; and -The rows with only;y one student must be row and row three.
The number of student (s) eligible to sit in the same rowas Rashik is (are)