LSAT PrepTest 42 Section 1 Question 2 Explanation | Logic Games

I didn't write the following blog post. It was already on the blog when I took over the URL. The following blog post may contain mistakes. -Steve

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Here's a Logic Games question from the December 2003 test.

Let's make a diagram to violate the A, B, and D, simply by selecting H. We'll worry about the other two choices later. So, we'll take H, M, and all three zoologists:

HMPQR

This fits the rules, and so A, B, and D are out. Now, we'll alter the diagram a little to eliminate either C or E. Let's make G the botanist we take, instead of H, which will let us try to eliminate C:

GMPQR

This fits the rules again. C is out, so we know E is correct.

Remember:

Use a diagram to violate as many choices as you can. If your valid diagram violates a choice, that choice needn't always be true. This means you can eliminate it and then alter your diagram to violate more choices if necessary.