Data Sufficiency: Question No.50 set "A" UPSC CSE Prelims Paper-2 (CSAT)

Data Sufficiency: Question No.50 set "A" UPSC CSE Prelims Paper-2 (CSAT)

Six lectures A, B, C, D, E and F , each of one hour duration, scheduled between 8:00 am and 2:00 pm. Consider the following question and two statements: Question: Which lecture is in the third period? Statement-1: Lecture F is preceded by A followed by C . Statement-2: No lecture after lecture B . Which of the following is correct regarding the question and the statements? (a) Statement-1 alone is sufficient to answer the question     (b) Statement-2 alone is sufficient to answer the question.     (c) Both statement-1 and statement-2 are sufficient to answer the question     (d) Both statement-1 and statement-2 are not sufficient to answer the question  Solution:  To determine which lecture is in the third period, we need to know the order of the lectures. However, the given statements only provide partial information about the order of some of the lectures. Statement-1 tells us that lecture F is preceded by A and followed by C. However, it does not provide any information about the positions of …