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A13

Answer:

D. 6

Read Explanation:

The region corresponding to 6 is indeed the precise intersection for this problem.

6: Sits inside the Industrialists, Auto Makers, and Indians circles, but completely outside the Steel Producers circle. (This matches the question perfectly).
3: Sits inside Industrialists, Auto Makers, and Steel Producers, but outside Indians.
8: Sits right in the center, meaning these individuals belong to all four categories simultaneously.
11: Sits inside Auto Makers and Indians, but outside both Industrialists and Steel Producers.
13: Sits inside Industrialists and Auto Makers, but outside both Steel Producers and Indians.

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