CAT 2018 Question Paper | CAT LR DI

CAT Previous Year Paper | CAT DILR | Set 3

CAT DI LR section has become increasingly tough beginning from 2015. DILR used to have distinct Data Interpretation sets and Logical reasoning puzzles. It used to be about computation and ability to read charts, graphs and tables for the Data Interpretation and Logical reasoning used to have Family tree, grid puzzles, arrangement, tournaments, cubes as some standard forms of puzzles.Since 2015 this pattern has been broken. With passing years, even the distinction between DI and LR has come down significantly. All you get in that one hour, are 8 high quality puzzles, with more than a few of them being significantly tough. Between CAT 2017 Question paper and CAT 2018 Question paper, you get to solve 32 actual CAT puzzles. This page intends to provide you just that. So, head on and crack those puzzles!

CAT DILR : CAT 2018 Question Paper Slot 2

Set 3 : Fun Sports Club

Fun Sports (FS) provides training in three sports - Gilli-danda (G), Kho-Kho (K), and Ludo (L). Currently it has an enrollment of 39 students each of whom is enrolled in at least one of the three sports. The following details are known:
1. The number of students enrolled only in L is double the number of students enrolled in all the three sports.
2. There are a total of 17 students enrolled in G.
3. The number of students enrolled only in G is one less than the number of students enrolled only in L.
4. The number of students enrolled only in K is equal to the number of students who are enrolled in both K and L.
5. The maximum student enrollment is in L.
6. Ten students enrolled in G are also enrolled in at least one more sport.

Question 1 : What is the minimum number of students enrolled in both G and L but not in K? [TITA]


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Explanatory Answer

Method of solving this CAT Question on CAT DILR
CAT DI LR 2018 Slot 2

From condition 3, we get the above diagram.
CAT DI LR 2018 Slot 2
Condition 6 tells us p – 1 = 7. G-total = 17. G and something else = 10. G-only should be 7.
CAT DI LR 2018 Slot 2
From condition 1, we get the above diagram.
CAT DI LR 2018 Slot 2
From condition 6, we can get the diagram.
CAT DI LR 2018 Slot 2
From condition 4, we get the above diagram.
CAT DI LR 2018 Slot 2
Now we know that the total = 39.
CAT DI LR 2018 Slot 2
From condition 5,
Number of students in L = 4 + 5 + 8 + 6 – x = 23- x.
Number of students in K = 4 + 5 + 9 + x = 18 + x.
We know that 23 – x > 18 + x.
5 > 2x. x < \\frac{5}{2}).
x could be 0, 1 or 2.
CAT DI LR 2018 Slot 2
For 6 - x to be minimum, x should be maximum i.e. x should take 2.
Therefore the minimum number of students enrolled in both G and L but not in K is 4.

The question is "What is the minimum number of students enrolled in both G and L but not in K? [TITA]"

Hence, the answer is 4

 

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