DILR Concept 1: Entry matching

Hello students! Welcome to DILR Concept 1

Concept name: Entry matching

Concept explanation: In such questions, we apply constraints point by point to form a matrix. Rules of selection and are applied condition by condition to fill up entries in the matrix.

Sample set: Read the information given below and answer the questions that follows:

A, B, C, D and E are five cities of which three are Agricultural cities, two are Theatre cities, one Tourist place and three cities have Lake. Here is some additional information:

  1. Tourist place has Lake but not Theatre.
  2. The Agricultural cities with Lake do not have Theatre.
  3. Two Agricultural cities have Lake & C and D are not Agricultural cities.
  4. D is not a Theatre city. No Theatre city has Lake and B is a Theatre city.
  5. None of the Agricultural cities is a Tourist place.
  6. D is a Tourist place and E has Lake.

 

  1. Which two cities have Theatre?                                                                                                                                  a.  B and D          b. D and C            c. D and E             d. A and C            e. None of these

2. Which Agricultural city does not have Lake?                                                                                                               a. a. A                 B        c              c. C                         d. D                        e. E

Table structure: general conditions of total filled.

A B C D E Total
Theatre 2
Lake 3
Agricultural 3
Tourist 1

 

Table filling: Point 6 and point 1

A B C D E Total
Theatre 0 2
Lake 1 1 3
Agricultural 3
Tourist 0 0 0 1 0 1

 

Table filling: Point 3,5 and 2

A B C D E Total
Theatre 0 0 2
Lake 1 1 3
Agricultural 1 1 0 0 1 3
Tourist 0 0 0 1 0 1

 

Table filling: Point 4 and 3,2 again

A B C D E Total
Theatre 0 1 1 0 0 2
Lake 1 0 0 1 1 3
Agricultural 1 1 0 0 1 3
Tourist 0 0 0 1 0 1

 

Solution:

Q1. B and C – e. None of these

Q2. B – b

Level of difficulty: Easy

Hope you understood applying constraints and matching entries in a table. 

Happy learning!

Rahul Sir

CAT Coach

Quora profile: https://www.quora.com/profile/Rahul-Anand-51

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5 Comments

  1. DONE
    It took me 2 tries to create the solution and i still did some major mistakes 😫
    I had fun doing it but I’m not looking forward to the hard ones🙇🙇

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