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CAT 1998 — DILR Question 46

Linear ArrangementEasy
Passage / Data

Direction: Answer the questions based on the following information.

A, B, C and D are to be seated in a row. But C and D cannot be together. Also B cannot be at the third place.

Which of the following must be false?

Answer & solution

Correct answer: A is at the first place

  • A is at the first place

  • B

    A is at the second place

  • C

    A is at the third place

  • D

    A is at the fourth place

Solution

Since C and D cannot be together, they can occupy either of the following seats: (1st and 3rd), (1st and 4th) or (2nd and 4th). In the last two cases, since B cannot be in the 3rd place, A will have to be there.

Thus, we can see that A can never be in the 1st place.

Hence, statement (a) is false.

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CAT 1998 DILR Q46: Which of the following must be false? — Solution | TheCATExam