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UPSC Prelims 2018 CSAT Paper II · Q26 / 60 Comprehension medium

Passage

Directions for the following 2 (two) items : Read the following information and answer the two items that follow. The plan of an office block for six officers A, B, C, D, E and F is as follows : Both B and C occupy offices to the right of the corridor (as one enters the office block) and A occupies on the left of the corridor. E and F occupy offices on opposite sides of the corridor but their offices do not face each other. The offices of C and D face each other. E does not have a corner office. F's office is further down the corridor than A's, but on the same side.

Who is/are F's immediate neighbour/neighbours?

  1. (a) A only ✓ UPSC's answer
  2. (b) A and D
  3. (c) C only
  4. (d) B and C

Why the answer is (a)

• The arrangement that satisfies all conditions (see the previous item) is: row 1 D (left) and C (right); row 2 A (left) and E (right); row 3 F (left) and B (right).

• F is in the last office on the left, so its only neighbour on the same side is A in row 2.

• Hence F's immediate neighbour is A only, option (a).

Why the other options are wrong

(b) A and D
D is in row 1, two offices away from F, not next to it.
(c) C only
C is on the other side of the corridor, in row 1.
(d) B and C
B and C are on the other side of the corridor.

Asked in the CSAT Paper II of the UPSC Civil Services Preliminary Examination 2018, held on 3 June 2018. Question and answer key: Union Public Service Commission. Explanation: UPSC Answer Check.

Reading the answer is not the same as getting it right under a clock. Practise this question with UPSC's negative marking, and anything you miss goes into an error notebook until you get it right twice.

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