Logical Interview Questions and Puzzles

1. Five pirates having 100 gold coins in a ship – puzzle 
2. Farmer, fox, goose & bean bag (river crossing puzzle/ logical problem)
3. Find min races required: 25 horses, 5 tracks, 3 fastest horses puzzle
4. Four person crossing collapsing bridge & Torch puzzle
5. Find a box of defective balls puzzle
6. Three Ants on Equilateral Triangle Puzzle
7. Calculate lose: lady, shopKeeper & fake note puzzle
8. Gold bar & seven working days payment 
9. Three Fruit basket puzzle (Baskets of apples, oranges & mixed fruits)
10. 100 prisoners & a light bulb puzzle
11. Find a way to Heaven or Hell (doorkeeper puzzle)