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Multiple choice

Choose the correct alternative from the given ones that will complete the series. 4, 8, 12, 24, 36, ?

  1. 72

  2. 48

  3. 60

  4. 144

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pattern: double, then add previous two terms. 4×2=8, 8+4=12, 12×2=24, 24+12=36, 36×2=72. Alternative: multiply by 2, then by 1.5 alternating.

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