What number comes next: 1, 2, 6, 24, 120, ___?

Correct answer: D. 720

Each term is the previous term multiplied by the next whole number: ×2, ×3, ×4, ×5. The next step is ×6, so 120 × 6 = 720. When terms grow very quickly, test multiplication by changing numbers.

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Answer and explanation

The correct answer is D. 720

Each term is the previous term multiplied by the next whole number: ×2, ×3, ×4, ×5. The next step is ×6, so 120 × 6 = 720. When terms grow very quickly, test multiplication by changing numbers.

Topic: Number and Letter Series and Analogies MCQs · Subject: Analytical Ability