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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 2 CAT DILR.

CAT DILR : 2017 slot 2 questions

Funky Pizzeria

Funky Pizzeria was required to supply Pizzas to three different parties. The total number of Pizzas it had to deliver was 800. 70% of which was to be delivered to Party 3 and the rest equally divided between Party 1 and Party 2.

Pizzas could be of Thin Crust (T) or Deep Dish (D) variety and come in either Normal Cheese (NC) or Extra Cheese (EC) versions. Hence, there are 4 types of Pizzas: T – NC, T – EC, D-NC, D-EC. Partial information about proportions of T and NC pizzas ordered by the three parties are given below.

CAT DI LR 2017 Slot 2

Question 1: How many Thin Crust pizzas were to be delivered to Party 3?

  1. 398
  2. 162
  3. 196
  4. 364

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Explanatory Answer

Method of solving this Question on CAT DILR

General Solution

First, let us get some simple numbers in place. 70% of 800 people attended Party 3. Or, 560 people attended this party. The remaining 240 were split equally, or 120 each on Party 1 and Party 2.

CAT DI LR 2017 Slot 2

Now, let us look at these decimals. 0.6 = 3/5; 0.55 = 11/20; 0.3 = 3/10; 0.65 = 13/20;
The best of the fractions is 0.375 which is 3/8; this helps a lot. Now, we know that we are going to fill data in two classifications T or D and NC or EC. So, let us capture data also in these two formats

CAT DI LR 2017 Slot 2

CAT DI LR 2017 Slot 2

After we create these two tables, it is just a matter of filling the numbers in.

CAT DI LR 2017 Slot 2

CAT DI LR 2017 Slot 2


Once some numbers are present, the rest fill in automatically

CAT DI LR 2017 Slot 2

CAT DI LR 2017 Slot 2



From the table, we can see that the no. of thin crust pizzas delivered to Party 3 is 162.

The question is "How many Thin Crust pizzas were to be delivered to Party 3?"

Hence, the answer is "162".

Choice B is the correct answer.

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