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Mathematics and Arithmetic Flashcards

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

Read the first 7 Mathematics and Arithmetic flashcards as text

  1. An officer drives 45 miles in 1.5 hours. What is the average speed in miles per hour?

    Answer: 30 mph

    Speed equals distance divided by time: 45 ÷ 1.5 = 30 mph.

  2. A suspect's vehicle is described as traveling 60 mph. How many miles does it cover in 20 minutes?

    Answer: 20 miles

    20 minutes is one-third of an hour, so 60 × (1/3) = 20 miles.

  3. If 3 patrol cars each need 12 gallons of fuel, how many gallons are needed total?

    Answer: 36 gallons

    Multiply 3 cars by 12 gallons each: 3 × 12 = 36 gallons.

  4. A report lists 240 incidents over 30 days. What is the average number of incidents per day?

    Answer: 8

    Divide total incidents by days: 240 ÷ 30 = 8 per day.

  5. What is 25% of 160?

    Answer: 40

    25% equals one-quarter, so 160 ÷ 4 = 40.

  6. An officer collects evidence weighing 3 lbs, 5 lbs, and 8 lbs. What is the total weight?

    Answer: 16 lbs

    Add the weights: 3 + 5 + 8 = 16 lbs.

  7. A fine is $75 and a 20% surcharge is added. What is the total amount due?

    Answer: $90

    20% of $75 is $15, so $75 + $15 = $90.