Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I am white when I am dirty, and black when I am clean. What am I?

What question can you never answer yes to?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

What do you get if you add 2 to 100 four times?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Which flower has two lips?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?