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CAT 2020 Question Paper | CAT LR DI Slot 1

CAT Previous Year Paper | CAT DILR Questions | Question 24

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The CAT Exam always throws something new in the DILR section every year. One must be aware of the CAT exam pattern and have a strategy to tackle this very changing nature of DILR in CAT. The DILR Set that you see below is from slot 3 of CAT 2020 Question Paper.
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CAT DILR : CAT 2020 Question Paper Slot 1

1000 patients currently suffering from a disease were selected to study the effectiveness of treatment of four types of medicines — A, B, C and D. These patients were first randomly assigned into two groups of equal size, called treatment group and control group. The patients in the control group were not treated with any of these medicines; instead they were given a dummy medicine, called placebo, containing only sugar and starch. The following information is known about the patients in the treatment group.

a. A total of 250 patients were treated with type A medicine and a total of 210 patients were treated with type C medicine.

b. 25 patients were treated with type A medicine only. 20 patients were treated with type C medicine only. 10 patients were treated with type D medicine only.

c. 35 patients were treated with type A and type D medicines only. 20 patients were treated with type A and type B medicines only. 30 patients were treated with type A and type C medicines only. 20 patients were treated with type C and type D medicines only.

d. 100 patients were treated with exactly three types of medicines.

e. 40 patients were treated with medicines of types A, B and C, but not with medicines of type D. 20 patients were treated with medicines of types A, C and D, but not with medicines of type B.

f. 50 patients were given all the four types of medicines. 75 patients were treated with exactly one type of medicine.

Question 24 : The number of patients who were treated with medicine type D was:

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