UPSC CSE Prelims 2017
Initially, each of the six boys (A, B, C, D, E, F) possesses 10 cards. The transactions are processed sequentially to determine the final card count for each individual:
The final distribution of cards is:
The total number of cards possessed by D and E is 15 + 11 = 26 cards.
Evaluating Option 2: The sum of cards possessed by B, C, and F is 7 (B) + 12 (C) + 7 (F) = 26 cards. This matches the total number of cards possessed by D and E.
Based on the final card distribution:
Option 1 (A, B and C): The sum of cards is 8 (A) + 7 (B) + 12 (C) = 27 cards. This does not equal 26.
Option 3 (A, B and F): The sum of cards is 8 (A) + 7 (B) + 7 (F) = 22 cards. This does not equal 26.
Option 4 (A, C and F): The sum of cards is 8 (A) + 12 (C) + 7 (F) = 27 cards. This does not equal 26.