Question:
How many people (excluding the mastermind) needed to make answer-keys before C could make his answer-key?
How many people (excluding the mastermind) needed to make answer-keys before C could make his answer-key?
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When analyzing tables in questions, identify which data sources are required to meet the criteria, in this case, the wrong and blank answers needed for C to make the answer-key.
Updated On: Nov 4, 2025
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the question.
The question is asking how many people were needed to make answer-keys before C could make his answer-key. From the table, we can infer that C's answer-key needs both wrong answers and blank answers from other people before he can create his own key.
Step 2: Analyzing the table.
- C's wrong answers are 27 and 56, and the blank answers are 17, 46, 90.
- To make the answer-key, C needs the information from people who have wrong answers and blank answers.
- Looking at the table, people A, B, and D provide the required wrong and blank answers for C. Thus, 3 people are needed before C can create his answer-key.
Step 3: Conclusion.
The correct answer is (B) 3, as C needs information from 3 other people before he can create his answer-key.
The question is asking how many people were needed to make answer-keys before C could make his answer-key. From the table, we can infer that C's answer-key needs both wrong answers and blank answers from other people before he can create his own key.
Step 2: Analyzing the table.
- C's wrong answers are 27 and 56, and the blank answers are 17, 46, 90.
- To make the answer-key, C needs the information from people who have wrong answers and blank answers.
- Looking at the table, people A, B, and D provide the required wrong and blank answers for C. Thus, 3 people are needed before C can create his answer-key.
Step 3: Conclusion.
The correct answer is (B) 3, as C needs information from 3 other people before he can create his answer-key.
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