Hard Logic Riddles to Outsmart Your Brain

Five rigorous riddles that test analytical minds with clever twists and logical traps.

logic puzzlesbrain teasercritical thinkinghard riddlesdeductionmental challenge
Difficulty:HARD

Quiz Details

Questions5
CategoryRiddles & Brain Teasers
DifficultyHARD
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Quiz Questions

Answer all questions below and test your knowledge.

  1. 1

    You have three boxes: one contains only apples, one only oranges, and one both fruits. All boxes are mislabeled. You may pick one fruit from a single box. Which box should you choose to correctly label all boxes?

    Question 1
  2. 2

    A farmer must transport a wolf, a goat, and a cabbage across a river using a boat that can hold him and one item. He cannot leave the wolf alone with the goat or the goat alone with the cabbage. What is the minimum number of trips needed?

    Question 2
  3. 3

    Fill the missing number in the sequence: 2, 3, 5, 7, 11, ?, 23.

    Question 3
  4. 4

    You have twelve identical balls, one of which is heavier. Using a balance scale only three weighings, how can you identify the heavier ball?

    Question 4
  5. 5

    Outside a room are three light switches, each controlling one of three bulbs inside. You may enter the room only once. How do you determine which switch matches each bulb?

    Question 5

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