Section: Mathematics


42) Identify the missing term in the following geometric progression: 16, -4, 1, -1/4, …

Explanation

Each successive term is found by dividing the previous term by -4.

In this case,
  • 16 divided by -4 = -4
  • -4 divided by -4 = 1
  • 1 divided by -4 = -1/4
  • -1/4 divided by -4 = -1/16

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