What is the longest word in the dictionary?

Which number comes next in the number series?

2, 9, 30, 93, ?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Imagine you are in a room with no windows or doors. How will you get out?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

What has a bottom at the top?