Resourceful detective
A man murders his wife with a knife in their car. He throws her out of the car being careful not to leave any...
Wolf, Goat, and Cabbage Puzzle
A peasant has to cross a river with а wolf, a goat, and a cabbage. The boat can carry the peasant with only one...
Vigilant woman – a detective story
A woman is sitting in her hotel room when there is a knock at the door. She opened the door to see a man...
Solve Party Detective Mystery Now
Party Detective Story: Unravel the Intrigue
A man walks into a party and pours some punch and ice into a cup.
He was really thirsty and...
Simple password
A man wanted to enter an exclusive club but did not know the password that was required. He waited by the door and listened.
A...
A bus stop pick-up riddle
While driving on your way home, you pass by a bus stop and see among the people waiting for the bus, an old lady...
“AHA” and “HAHA” reactions (b)
1. How many apples can you eat if your stomach is empty?
2. How far can a dog run into the forest?
3. What do you...
A challenge for the fisherman – solution of practical problem
One fisherman bought himself a new fishing rod with 5 feet long.He has to commute home by public transport, where it is forbidden to...
Mystery of Missing Petrol
During the petrol transporting from one plant to another, the fuel tanker ever wasted 10 litres of petrol.
The process of filling the tank at...
Passage problem
A car with a container set in the body drives the road that leads under the railway bridge. Just before the bridge the driver...
Complete to the Whole
A farmer wants to divide his 17 horses among his three sons. According to farmer the oldest son should get half of the horses,the...
Survivorship bias and the flip side of things
During World War II, the Hungarian mathematician Abraham Wald, who worked in the SRG laboratory in New York, considered how to minimize bomber losses...