CAT 2019 Slot 1 DILR Set 2 Q5–Q8

A DILR caselet from the Data Interpretation & Logical Reasoning (DILR) section of CAT 2019 Slot 1, with 4 questions (Routes & Networks). Answers are CAT's official key.

The set

This set relies on a figure in the original paper, which is not reproduced here. The questions and answers are below.

The figure below shows the street map for a certain region with the street intersections marked from a through l. A person standing at an intersection can see along straight lines to other intersections that are in her line of sight and all other people standing at these intersections. For example, a person standing at intersection g can see all people standing at intersections b, c, e, f, h, and k. In particular, the person standing at intersection g can see the person standing at intersection e irrespective of whether there is a person standing at intersection f.

[Figure in the original paper]
Six people U, V, W, X, Y, and Z, are standing at different intersections. No two people are standing at the same intersection.
The following additional facts are known.
1. X, U, and Z are standing at the three corners of a triangle formed by three street segments.
2. X can see only U and Z.
3. Y can see only U and W.
4. U sees V standing in the next intersection behind Z.
5. W cannot see V or Z.
6. No one among the six is standing at intersection d.

Question 5

Who is standing at intersection a?
  1. A
    W
  2. B
    Y
  3. C
    No one
  4. D
    V

Answer: (C) No one Routes & Networks MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Question 6

Who can V see?
  1. A
    U, W and Z only
  2. B
    U and Z only
  3. C
    Z only
  4. D
    U only

Answer: (B) U and Z only Routes & Networks MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Question 7

What is the minimum number of street segments that X must cross to reach Y?
  1. A
    3
  2. B
    2
  3. C
    1
  4. D
    4

Answer: (B) 2 Routes & Networks MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Question 8

Should a new person stand at intersection d, who among the six would she see?
  1. A
    V and X only
  2. B
    U and Z only
  3. C
    U and W only
  4. D
    W and X only

Answer: (D) W and X only Routes & Networks MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Same concept in other years

See every question on Line of sight on a grid: who can see/reach whom along rows, columns, diagonals.

More Routes & Networks questions from CAT

All 41 Routes & Networks questions asked since 2017.