Practice mode Series Completion

What is the next term of the series 5103, 1701, 567, 189, 63, 21?

Correct answer B. 7

Explanation

Each term is the previous term divided by 3. So the next term is 21 ÷ 3 = 7. The rule also fits the other terms, for example 63 ÷ 3 = 21.

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