What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

What is full of holes but still holds water?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?