The subjects for each person are as follows:
Pratibha is the only person who is good in Physics, History, and Mathematics but not in Computer Science.
The correct answer is (a) Pratibha.
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)
