MCQ Subject: Reasoning

In a conference, it is given that all the speakers who wore blue shirts (B) also drank coffee (C). Some of the speakers who drank tea (T) also wore red shirts (R). Which of the following must be true?

An argument states: ‘All successful entrepreneurs are risk-takers. Some risk-takers are millionaires. Therefore, some successful entrepreneurs are millionaires.’ Identify the logical flaw in this conclusion.

Statement 1: All engineers are professionals. Statement 2: No professionals are politicians. Which conclusion follows?

Statements: 1. All biologists are scientists. 2. Some engineers are not scientists. Which conclusion logically follows?

Statement: All Painters are Artists. Some Artists are Musicians. Conclusion: Which of the following is definitely true?