Mathematics · Data Interpretation
To study the effectiveness of four medicines (A, B, C, D), 1000 patients were divided into a treatment group (500 patients) and a control group (500 patients given a placebo). In the treatment group: - Total treated with A = 250, with C = 210. - Treated with A only = 25, C only = 20, D only = 10. - Treated with A and D only = 35, A and B only = 20, A and C only = 30, C and D only = 20. - Exactly three medicines = 100. - Treated with A, B, C but not D = 40; A, C, D but not B = 20. - Treated with all four medicines = 50. - Exactly one medicine = 75. The number of patients who were treated with medicine type D was:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1300
- 2325✓
- 3350
- 4375
Correct answer
325
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