Think your brain is ready for a real stretch? These 10 logic puzzles will test your sense of numbers, sequences, and reasoning. They look simple – until they aren’t. Tap to reveal the answers and see how far you can go without guessing!
❓ Question 1 – The Missing Dollar
Three friends pay $30 for dinner. The waiter returns $5 because of a discount. They each take $1 back and give the waiter $2 as a tip.
They paid $9 each – $27 total – plus $2 tip = $29. Where’s the missing dollar?
👉 Click to see the answer
❓ Question 2 – The 100 Doors Problem
There are 100 closed doors in a hallway. You open every second door, then every third, then every fourth, and so on until the 100th round. Which doors remain open?
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❓ Question 3 – The Clock Hands
How many times do the hour and minute hands form a straight line (180° apart) in 12 hours?
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❓ Question 4 – The Apple Baskets
You have 10 baskets of apples. Nine weigh 10 kg each, but one weighs 9 kg. You have a scale – but only one chance to use it. How do you find the lighter basket?
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❓ Question 5 – The Two Trains
Two trains start 100 km apart and move toward each other at 50 km/h each. A bird flies between them at 100 km/h until they meet. How far does the bird travel?
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❓ Question 6 – The Missing Page
A book has its pages numbered 1 to 100. If one page is missing, and the sum of all remaining numbers is 4,949, which page is missing?
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❓ Question 7 – The Two Clocks
One clock loses one minute every hour, another gains one minute every hour. How long until they show the same time again?
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❓ Question 8 – The Family Puzzle
A man says: “Two fathers and two sons went fishing. Each caught one fish, yet they only brought home three fish.” How is that possible?
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❓ Question 9 – The Light Switch
You’re in a room with two light bulbs outside and two switches inside. How can you tell which switch belongs to which bulb if you can only check once?
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❓ Question 10 – The Strange Equation
If 1 = 3, 2 = 3, 3 = 5, 4 = 4, and 5 = 4, what does 6 equal?
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🎯 Final Challenge
Count your correct answers.
If you solved at least 7 without peeking – your logic is sharper than most people’s coffee. ☕