There is something which you can be arrested for attempting but not for successfully completing.

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

10+10 and 11+11 can give you the same answer.

Explain how?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

What goes up but never comes down?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

What is black when you buy it, red when you use it, and gray when you throw it away?

Which five letter word can be added at the end of below word to form a
valid word?

> Pin
> Check
> Boiling
> View

What do you answer even though it never asks you questions?