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

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Identify the 10 differences between the two given pictures.

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Can you write down eight eights so that they add up to one thousand?