In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Can you name four days which start with the letter 'T'?

What has lots of eyes, but can’t see?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Count the number of balls in picture below:

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?