CAT DI LR section has become increasingly tough beginning from 2015. However, Understanding the basics of Bar graphs, Pie Charts, Multiple graphs, Line Graphs etc forms an integral part of solving tougher CAT level DI LR questions for the CAT Exam. This question is from CAT 2017 Slot 1 CAT DILR.

In a square layout of size 5m × 5m, 25 equal sized square platforms of different heights are built. The heights (in metres) of individual platforms are as shown below:

Individuals (all of same height) are seated on these platforms. We say an individual A can reach an individual B if all the three following conditions are met:

i.) A and B are In the same row or column

ii.) A is at a lower height than B

iii.) If there is/are any individual(s) between A and B, such individual(s) must be at a height lower than that of A.

Thus in the table given above, consider the Individual seated at height 8 on 3rd row and 2nd column. He can be reached by four individuals. He can be reached by the individual on his left at height 7, by the two individuals on his right at heights of 4 and 6 and by the individual above at height 5. Rows in the layout are numbered from top to bottom and columns are numbered from left to right.

Question 4: Which of the following statements is true about this layout?

- Each row has an individual who can be reached by 5 or more individuals
- ) Each row has an individual who cannot be reached by anyone
- Each row has at least two individuals who can be reached by an equal number of individuals
- All individuals at the height of 9 m can be reached by at least 5 individuals

Each row has at least two individuals who can be reached by an equal number of individuals

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**General Solution**

The question is **"Which of the following statements is true about this layout?"**

Choice C is the correct answer.

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