CAT 2020 DILR Slot 3
CAT 2020 comprehensive question paper for DILR Slot 3
A farmer distributes his rectangular land (12 plots in 3 rows and 4 columns) among his four daughters: Abha, Bina, Chitra, and Dipti. Each plot has mango, teak, or pine trees, and the number of trees in each plot is a non-zero multiple of 3 or 4. Each daughter gets an even number of plots.
Key details:
- Abha got 20 more trees than Chitra and 6 fewer trees than Dipti.
- The largest number of trees in a plot is 32, but it is not with Abha.
- Teak trees in Column 3 are double those in Column 2 and half those in Column 4.
- Only Bina, Chitra, and Dipti got corner plots.
- Dipti got two adjoining plots in the same row.
- Bina was the only one who got a plot in each row and each column.
- Chitra and Dipti did not get adjacent plots.
- The number of mango trees is double the number of teak trees.

How many mango trees were there in total?
Which of the following is the correct sequence of trees received by Abha, Bina, Chitra, and Dipti in that order?
How many pine trees did Chitra receive?
Who got the plot with the smallest number of trees and how many trees did that plot have?
Which of the following statements is NOT true?
Which column had the highest number of trees?
Four players (Arun, Bankim, Charu, and Dipak) play the Hi-Lo game over six rounds. Each round involves bidding Hi or Lo, and points are awarded or deducted based on the combination of bids.
Key details:
- At the end of three rounds, Arun had 6 points, Dipak had 2 points, and Bankim and Charu had -2 points each.
- At the end of six rounds, Arun had 7 points, Bankim and Dipak had -1 point each, and Charu had -5 points.
- Dipak's score in the third round was less than his score in the first round but more than his score in the second round.
- In exactly two rounds, Arun was the only player to bid Hi.
What were the bids by Arun, Bankim, Charu, and Dipak, respectively in the first round?
In how many rounds did Arun bid Hi?
In how many rounds did Bankim bid Lo?
In how many rounds did all four players make identical bids?
In how many rounds did Dipak gain exactly 1 point?
In which of the following rounds, was Arun DEFINITELY the only player to bid Hi?
XYZ organization delivers groceries with a two-day delivery promise. Orders not delivered within two days are declared lost. Data is provided for a week, including cumulative orders booked, orders delivered, and cumulative orders lost.
Key details:
- Orders booked on the 11th, 12th, and 13th that took two days to deliver were 4, 6, and 8, respectively.
- The table provides cumulative orders booked, orders delivered, and cumulative orders lost for each day.
Day | Cumulative orders booked | Orders delivered on day | Cumulative orders lost |
13th | 219 | 11 | 91 |
14th | 249 | 27 | 92 |
15th | 277 | 23 | 94 |
16th | 302 | 11 | 106 |
17th | 327 | 21 | 118 |
18th | 332 | 13 | 120 |
19th | 337 | 14 | 129 |
Among the following days, the largest fraction of orders booked on which day was lost?
On which of the following days was the number of orders booked the highest?
On which of the following days, was the delivery ratio the highest?
On which of the following days was the average time taken to deliver orders booked the least?
A survey of 600 schools in India was conducted to study their online teaching-learning processes (OTLP). Four facilities were studied: F1 (Own software), F2 (Trained teachers), F3 (Training materials), and F4 (All students having laptops).
Key details:
- 80 schools did not have any of the four facilities.
- 40 schools had all four facilities.
- The number of schools with only F1, F2, F3, and F4 was 25, 30, 26, and 20, respectively.
- The number of schools with exactly three facilities was the same irrespective of which three were considered.
- 313 schools had F2.
- 26 schools had only F2 and F3.
- Among schools having F4, 24 had only F3, and 45 had only F2.
- 162 schools had both F1 and F2.
- The number of schools having F1 was the same as the number of schools having F4.
What was the total number of schools having exactly three of the four facilities?
What was the number of schools having facilities F2 and F4?
What was the number of schools having only facilities F1 and F3?
What was the number of schools having only facilities F1 and F4?
Sixteen patients in a hospital must undergo a blood test for a disease. Exactly one patient has the disease. Blood samples are pooled into eight vials (A–H), and each vial tests positive if it contains the blood of the infected patient.
Key details:
- The table shows which patients' blood samples are mixed in each vial.
- If a vial tests positive, one of the patients whose blood is in the vial has the disease.
- If a vial tests negative, none of the patients whose blood is in the vial has the disease.

Suppose vial C tests positive and vials A, E, and H test negative. Which patient has the disease?
Sixteen patients in a hospital must undergo a blood test for a disease. Exactly one patient has the disease. Blood samples are pooled into eight vials (A–H), and each vial tests positive if it contains the blood of the infected patient.
Key details:
- The table shows which patients' blood samples are mixed in each vial.
- If a vial tests positive, one of the patients whose blood is in the vial has the disease.
- If a vial tests negative, none of the patients whose blood is in the vial has the disease.

Suppose vial A tests positive and vials D and G test negative. Which of the following vials should we test next to identify the patient with the disease?
Which of the following combinations of test results is NOT possible?
Suppose one of the lab assistants accidentally mixed two patients' blood samples before they were distributed to the vials. Which of the following correctly represents the set of all possible numbers of positive test results out of the eight vials?