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Police Math Ratios and Proportions 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 Ratios and Proportions flashcards as text

  1. A patrol sector has 3 officers for every 2 patrol cars. If 18 officers are on duty, how many patrol cars are available?

    Answer: 12

    18 officers ÷ 3 = 6 groups, and 6 × 2 cars = 12 cars.

  2. A map uses a scale of 1 inch to 5 miles. Two crime scenes are 3.5 inches apart on the map. What is the real distance?

    Answer: 17.5 miles

    3.5 inches × 5 miles per inch = 17.5 miles.

  3. Evidence bags and case files are kept in a ratio of 5 to 4. If there are 45 evidence bags, how many case files are there?

    Answer: 36

    45 ÷ 5 = 9, and 9 × 4 = 36 case files.

  4. A speed-radar sample shows 7 speeders for every 28 vehicles checked. What is this ratio in simplest form?

    Answer: 1 to 4

    Dividing both 7 and 28 by 7 gives 1 to 4.

  5. If 4 squad cars use 60 gallons of fuel per shift, how much fuel do 6 squad cars use at the same rate?

    Answer: 90 gallons

    60 ÷ 4 = 15 gallons each, and 15 × 6 = 90 gallons.

  6. A department's officer-to-citizen ratio is 1 to 500. For a town of 12,000 citizens, how many officers are needed?

    Answer: 24

    12,000 ÷ 500 = 24 officers.

  7. During training, recruits pass and fail in a ratio of 8 to 3. If 33 recruits failed, how many passed?

    Answer: 88

    33 ÷ 3 = 11, and 11 × 8 = 88 recruits passed.