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

What kind of tree can you carry in your hand?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

What is common among 11, 69, and 88?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Find the hidden panda in the image below.