PrepTest 91+, Section 3, Question 13
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.
If vetch is the second crop grown, then which one of the following must be true?
Potatoes are grown earlier than oats.
Vetch is grown earlier than potatoes.
Vetch is irrigated.
Exactly one of the last two crops is fertilized.
At least two of the crops grown are fertilized.
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