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Multiple choice

Find the wrong number from the described series. 2, 8, 18, 32, 54

  1. 32

  2. 8

  3. 2

  4. 54

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

The pattern is 2n²: 2(1²)=2, 2(2²)=8, 2(3²)=18, 2(4²)=32. The next term should be 2(5²)=50, not 54. Therefore 54 is the wrong number.

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Practice this chapter

  • Number Series (2662 questions)
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