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Logical and Deductive Reasoning Flashcards

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

Read the first 7 Logical and Deductive Reasoning flashcards as text

  1. A dispatcher receives calls in this order: assault, theft, noise complaint, assault, theft. If the pattern continues, what is the next expected call type?

    Answer: Noise complaint

    The repeating sequence is assault → theft → noise complaint, so the next after theft is noise complaint.

  2. Officer Lee is told: 'If you are not at the station by 0600, you will miss the briefing.' Officer Lee arrives at 0550. What follows?

    Answer: Officer Lee does not miss the briefing

    Lee arrived before 0600, so the condition for missing the briefing was not met.

  3. Three suspects — Adams, Brown, and Clark — are questioned. Adams says Brown is lying. Brown says Clark is lying. Clark says both Adams and Brown are lying. If exactly one person is telling the truth, who is it?

    Answer: Brown

    If Brown tells the truth, Clark is lying (consistent), and Adams's claim that Brown lies is false, making Adams a liar — exactly one truth-teller.

  4. Evidence rules state: 'Any item collected without gloves is inadmissible.' Officer Davis collected Item X without gloves. What is the logical outcome?

    Answer: Item X is inadmissible

    The rule is absolute — collection without gloves makes the item inadmissible.

  5. A vehicle was reported stolen at noon. It was spotted 30 miles away at 12:45 PM. At what minimum average speed must the vehicle have been traveling?

    Answer: 40 mph

    30 miles in 45 minutes (0.75 hours) equals 30 ÷ 0.75 = 40 mph minimum.

  6. All gang members flagged in this operation use encrypted messaging. Suspect R does NOT use encrypted messaging. What can be deduced?

    Answer: Suspect R is not a flagged gang member in this operation

    Contrapositive: if a person does not use encrypted messaging, they are not a flagged gang member in this operation.

  7. Officers are ranked: Sergeant > Corporal > Officer. Detective ranks are separate. A Corporal gives an order to a Detective. Which statement is most logically sound?

    Answer: The chain of command between patrol and detective ranks cannot be determined from the given information

    The ranking given covers patrol ranks only; the relationship between patrol and detective ranks is not established in the premises.