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Mensa IQ Critical Thinking and Problem Solving Flashcards

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

Read the first 7 Mensa IQ Critical Thinking and Problem Solving flashcards as text

  1. Tom is older than Sam. Sam is older than Kay. Kay is older than Lou. Who is the youngest?

    Answer: Lou

    The chain Tom > Sam > Kay > Lou places Lou as the youngest.

  2. What comes next in the sequence? Z, X, V, T, R, ?

    Answer: P

    Each letter skips one letter backward in the alphabet: Z, X, V, T, R, P.

  3. A snail climbs 3 feet up a 10-foot well each day but slides back 2 feet each night. On which day does it reach the top?

    Answer: 8th

    The snail gains 1 net foot per day, reaching 7 feet after 7 nights; on day 8 it climbs 3 more feet to 10 feet and escapes.

  4. Which word does NOT belong? Robin, Eagle, Sparrow, Bat, Finch

    Answer: Bat

    A bat is a mammal, while all the others are birds.

  5. If 5 machines take 5 minutes to make 5 widgets, how long does it take 100 machines to make 100 widgets?

    Answer: 5 minutes

    Each machine makes 1 widget in 5 minutes regardless of how many machines are running.

  6. Which of these conclusions follows from 'No athletes are lazy' and 'All students are lazy'?

    Answer: No students are athletes

    If no athletes are lazy and all students are lazy, then students and athletes are completely separate groups.

  7. A palindrome reads the same forwards and backwards. Which number below is a palindrome?

    Answer: 1221

    1221 reads the same in both directions: 1-2-2-1.