You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

What Time Should the last watch show in the below figure?

I look at you, you look at me, I raise my right, you raise your left. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

Spot the cat in the picture below

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

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?