If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Who are the happiest people in IPL match?

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

What does below pictogram mean?

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?

Replace the question mark with the correct number.

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.