Children in an assembly | Hint

Here are a few hints to solve the problem listed here

When you need to solve slightly ambiguous problems like this one, follow a structured thought process.

1. Read it carefully and explain the ask to someone else
2. Represent the problem visually
3. List what information you have and what else you would like
4. For information missing can u make assumptions? Enumerate all possibilities
5. Try solving with multiple approaches

Step #2 … representation

Step #3 & #4 …