What letter should replace the question mark in the series: A, E, I, M, ?

A. O

In a group of five friends - Alice, Bob, Charlie, David, and Eva - each has a different favorite fruit: Apple, Banana, Cherry, Date, and Elderberry. Alice does not like Banana or Cherry. Bob's favorite is not Apple or Date. Charlie likes Cherry. David does not like Elderberry. Which fruit does Eva like?

D. ELDERBERRY

Assertion (A): All mammals are warm-blooded animals. Reason (R): Warm-blooded animals can regulate their body temperature internally. Which of the following is correct?

A. BOTH A AND R ARE TRUE, AND R IS THE CORRECT EXPLANATION FOR A.

Five books are arranged on a shelf. Book A is to the left of Book B but to the right of Book C. Book D is to the left of Book E. What is the sequence of the books from left to right?

A. C, A, B, D, E

C is 3rd from the top and D is 4th from the bottom in a class of 15 students. What is the total number of students in the class?

A. 15