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Aptitude Number Series Question and Answers Flashcards

6 cards from real IBEW practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Aptitude Number Series Question and Answers flashcards as text

  1. Complete the series: 7, 14, 21, 28, 35, ___

    Answer: 42

    This is the 7 times table: each term increases by 7. 35 + 7 = 42.

  2. What is the next term: 256, 64, 16, 4, ___?

    Answer: 1

    Each term is divided by 4: 256÷4=64, 64÷4=16, 16÷4=4, 4÷4=1.

  3. Find the missing number: 3, 7, 15, 31, 63, ___

    Answer: 127

    Each term is doubled and 1 added: 3×2+1=7, 7×2+1=15, 15×2+1=31, 31×2+1=63, 63×2+1=127.

  4. What comes next: 1, 4, 9, 16, 25, 36, ___?

    Answer: 49

    These are perfect squares: 1²=1, 2²=4, 3²=9, 4²=16, 5²=25, 6²=36, 7²=49.

  5. Complete the pattern: 50, 45, 41, 38, 36, ___

    Answer: 35

    Differences: -5, -4, -3, -2, next is -1. So 36 - 1 = 35.

  6. What is the next number: 2, 6, 18, 54, 162, ___?

    Answer: 486

    Each term is multiplied by 3: 2×3=6, 6×3=18, 18×3=54, 54×3=162, 162×3=486.