PrepTest 91+, Section 3, Question 16
To test various theories about crop rotation, exactly five crops�oats, potatoes, rye, sunflowers, and vetch�are to be grown in a field at a research facility, one after the other. No crop will be grown more than once. Each crop will be irrigated or fertilized, but not both. The crops will be grown in accordance with the following conditions:
To test various theories about crop rotation, exactly five crops�oats, potatoes, rye, sunflowers, and vetch�are to be grown in a field at a research facility, one after the other. No crop will be grown more than once. Each crop will be irrigated or fertilized, but not both. The crops will be grown in accordance with the following conditions:
To test various theories about crop rotation, exactly five crops�oats, potatoes, rye, sunflowers, and vetch�are to be grown in a field at a research facility, one after the other. No crop will be grown more than once. Each crop will be irrigated or fertilized, but not both. The crops will be grown in accordance with the following conditions:
To test various theories about crop rotation, exactly five crops�oats, potatoes, rye, sunflowers, and vetch�are to be grown in a field at a research facility, one after the other. No crop will be grown more than once. Each crop will be irrigated or fertilized, but not both. The crops will be grown in accordance with the following conditions:
No two crops grown consecutively are both fertilized.
Oats are grown later than sunflowers but earlier than rye.
If potatoes are not grown third, they are fertilized.
If vetch is grown earlier than rye, oats are fertilized.
Which one of the following must be true?
The first irrigated crop grown is not potatoes.
At least one irrigated crop is grown earlier than potatoes.
Rye is the third irrigated crop grown.
Sunflowers are the first irrigated crop grown.
No more than one fertilized crop is grown earlier than vetch.
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