Graduate Management Admission Test (GMAT) Practice Test

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What are integers defined as?

  1. Only positive whole numbers

  2. Positive and negative numbers only

  3. Positive whole numbers, zero, and negative whole numbers

  4. All real numbers

The correct answer is: Positive whole numbers, zero, and negative whole numbers

Integers are defined as the set of whole numbers that include all positive whole numbers, zero, and negative whole numbers. This definition encompasses values such as -3, -2, -1, 0, 1, 2, and 3, illustrating the full spectrum of integers. Option C accurately reflects this definition, as it explicitly states that integers consist of positive whole numbers, zero, and negative whole numbers. This comprehensive inclusion is vital in understanding integers, especially when solving mathematical problems that require the use of both positive and negative values along with zero. Understanding integers in this broader context is crucial because it helps differentiate them from other types of numbers, such as natural numbers (which are only positive whole numbers) and real numbers (which encompass all rational and irrational numbers).