In a class, P's rank is 15th from the top, and Q's rank is 20th from the bottom. If there are 10 students between P and Q, what is the maximum number of students in the class?
Show answer & explanation
Correct answer: A
Explanation
Maximum number of students in the class = Rank of P + Rank of Q + number of students between them
= 15+20+10
= 45
Hence, the correct answer is option 1.