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Numerical Reasoning and Number Patterns Flashcards

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

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  1. What is the next number in the sequence: 3, 6, 12, 24, ___?

    Answer: 48

    Each term is multiplied by 2, so 24 × 2 = 48.

  2. What comes next in the pattern: 2, 5, 10, 17, 26, ___?

    Answer: 37

    The differences are 3, 5, 7, 9, 11 — so the next term is 26 + 11 = 37.

  3. In the pattern 1, 4, 9, 16, 25, ___, what is the missing term?

    Answer: 36

    These are perfect squares (1², 2², 3²...), so the next is 6² = 36.

  4. What fraction of 60 is 15?

    Answer: 1/4

    15/60 simplifies to 1/4.

  5. Which number does NOT belong: 4, 8, 12, 18, 20, 24?

    Answer: 18

    All others are multiples of 4, but 18 is not (18 ÷ 4 = 4.5).

  6. What is the missing number: 7, ___, 21, 28, 35?

    Answer: 14

    This is the 7 times table, so the missing term is 7 × 2 = 14.

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