We are told the friends are sitting in a row facing north. That means left and right are from the observer's point of view (left to right on paper).
Clues:
Final arrangement (left to right):
Charan (1), Arjun (2), Divya (3), Bhavna (4), Esha (5)
So, the person to the immediate left of Arjun is Charan.
Four teams – Red (R), Blue (B), Green (G), and Yellow (Y) – are competing in the final four rounds of the Inter-School Science Olympiad, labeled Round A, Round B, Round C, and Round D. Each round consists of one match between two teams, and every team plays exactly two matches. No team plays the same opponent more than once.
The final schedule must adhere to the following rules:
(193 words)