Logical Puzzle

Step 1: Understanding the Problem
Alisha’s rank from the top is 15th.
Manav is 4 ranks above Alisha, so Manav’s rank from the top is:
Step 2: Manav’s Rank from the Bottom
In a class of 20 students, the rank from the bottom is related to the rank from the top by the formula:
Substituting the values:
Step 3: Final Answer
Therefore, Manav’s rank from the bottom is 10th. Final Answer: Manav's rank from the bottom is (a) 10th.