In a class of 52 students , Tina is 9th rank ahead of Arun who is 32th from top , then what is the rank of Tina from the bottom.

29 30 31 33

30

Arun's rank is 32th from the class of 52 student Tina  is 9 rank ahead of Arun's rank. Therefore, Tina rank from top is = 32-9 = 23 Rank of Tina from bottom is = 52 + 1 - 23 = 30th rank