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Police Math Algebra and Number Sequences Flashcards

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

Read the first 7 Police Math Algebra and Number Sequences flashcards as text

  1. What is the next number in the sequence: 1, 3, 7, 15, 31, ___?

    Answer: 63

    Each term follows the rule ×2 + 1, so 31 × 2 + 1 = 63.

  2. Solve: 8 − 2x = 2

    Answer: x = 3

    Subtract 8 from both sides: −2x = −6, then divide by −2: x = 3.

  3. A dispatcher logs n calls in the morning and 2n calls in the evening. If the total is 54 calls, how many calls were logged in the morning?

    Answer: 18

    The equation is n + 2n = 54, so 3n = 54 and n = 18.

  4. What number comes next in the sequence: 2, 3, 5, 8, 13, ___?

    Answer: 21

    Each number is the sum of the two preceding numbers (Fibonacci pattern), so 8 + 13 = 21.

  5. Solve: 3(x + 4) = 21

    Answer: x = 3

    Divide both sides by 3: x + 4 = 7, then subtract 4: x = 3.

  6. If 2x + y = 20 and y = 6, what is the value of x?

    Answer: x = 7

    Substitute y = 6: 2x + 6 = 20; subtract 6: 2x = 14; divide by 2: x = 7.

  7. A police unit has x officers. After 4 resign and 9 new officers are hired, there are 25 officers. What was the original number x?

    Answer: x = 20

    The equation is x − 4 + 9 = 25, which simplifies to x + 5 = 25, so x = 20.