Find the next number in the series below

21 32 54 87 131 ?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

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?

John was piloting a plane behind a car but was never able to overtake it. Why?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?