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Number Series Flashcards

7 cards from real CAT4 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Number Series flashcards as text

  1. What number comes next? 5, 11, 17, 23, ?

    Answer: 29

    The series increases by 6, so 23 + 6 = 29.

  2. What number is missing? 2, 4, 8, 16, ?, 64

    Answer: 32

    Each term doubles, so 16 x 2 = 32.

  3. What number comes next? 45, 40, 35, 30, ?

    Answer: 25

    Each term decreases by 5, so 30 - 5 = 25.

  4. What number comes next? 6, 12, 24, 48, ?

    Answer: 96

    Each term doubles, so 48 x 2 = 96.

  5. What number is missing? 1, 4, 9, ?, 25, 36

    Answer: 16

    These are perfect squares; 4 squared = 16.

  6. What number comes next? 100, 96, 91, 85, ?

    Answer: 78

    The amount subtracted grows by one (4,5,6,7), so 85 - 7 = 78.

  7. What number comes next? 3, 9, 27, 81, ?

    Answer: 243

    Each term is multiplied by 3, so 81 x 3 = 243.