CAT 2018 Question Paper | CAT LR DI

CAT Previous Year Paper | CAT DILR | Set 1

This beautiful set is based on a data about written examination, with data given in the grid form. The CAT exam has revamped its DILR section in the year 2015 and since the level of difficulty is ever increasing. The best way to prepare for such tough problems is to practice CAT previous year paper and strengthen your analytical thinking skills. Now solve this tough logical reasoning problem from CAT 2018 question paper and smack your CAT preparation online.

CAT DILR : CAT 2018 Question Paper Slot 1

Set 1 : Written Test

A company administers a written test comprising of three sections of 20 marks each – Data Interpretation (DI), Written English (WE) and General Awareness (GA), for recruitment. A composite score for a candidate (out of 80) is calculated by doubling her marks in DI and adding it to the sum of her marks in the other two sections. Candidates who score less than 70% marks in two or more sections are disqualified. From among the rest, the four with the highest composite scores are recruited. If four or less candidates qualify, all who qualify are recruited.

Ten candidates appeared for the written test. Their marks in the test are given in the table below:

CAT DI LR 2018 Slot 1

Some marks in the table are missing, but the following facts are known:
1. No two candidates had the same composite score.
2. Ajay was the unique highest scorer in WE.
3. Among the four recruited, Geeta had the lowest composite score.
4. Indu was recruited.
5. Danish, Harini, and Indu had scored the same marks the in GA.
6. Indu and Jatin both scored 100% in exactly one section and Jatin’s composite score was 10 more than Indu’s.

Question 1 : Which of the following statements MUST be true?
1.Jatin's composite score was more than that of Danish.
2.Indu scored less than Chetna in DI.
3.Jatin scored more than Indu in GA.

  1. Only 2
  2. Both 2 & 3
  3. Only 1
  4. Both 1 and 2

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Explanatory Answer

Method of solving this CAT Question on CAT DILR
CAT DI LR 2018 Slot 1

A composite score for a candidate (out of 80) is calculated by doubling her marks in DI and adding it to the sum of her marks in the other two sections.
CAT DI LR 2018 Slot 1
Ajay was the unique highest scorer in WE.
CAT DI LR 2018 Slot 1
CAT DI LR 2018 Slot 1
Danish, Harini, and Indu had scored the same marks the in GA.
Indu and Jatin both scored 100% in exactly one section and Jatin’s composite score was 10 more than Indu’s.
Indu and Jatin both scored 100% in exactly one section and Jatin’s composite score was 10 more than Indu’s.
Now, if Indu had scored 100% in DI, then her CS would be 20 × 2 + 8 + x = 60 or, x should be 12.
Now, this is a problem as Indu could have less than 70% in 2 sections and so would not have been selected.
So, x = 20. CAT DI LR 2018 Slot 1
Indu and Jatin are in. The highest CS Geeta can get is 54, so Ester is also in.
Ajay could not have scored 19 in WE as his CS would then become 51 same as Danish.
So, Ajay should have scored 20 in WE resulting in an CS of 52.
CAT DI LR 2018 Slot 1
CAT DI LR 2018 Slot 1
Geeta should have scored a CS of more than 52 so she should have scored 19 or 20 in WE. But Ajay was the unique highest scorer in WE.
So, Geeta should have score 19 in WE.
Options 1 and 2 are both true. Option 3 is not true.
Therefore Both 1 and 2

The question is "Which of the following statements MUST be true?"

Hence, the answer is Both 1 and 2

Choice D is the correct answer.

 

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