Answer :
Final answer:
Tim is the friend standing first in line based on specific positioning criteria.
Explanation:
Tim is the friend standing first in line. Based on the information provided, Tim is not at either end of the line, and he is in front of Jenny. Since Jenny is standing between Paco and Maria, and Paco's position is an odd number, Tim must be at the beginning of the line. Therefore, Tim is the one standing first in line.
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