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?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

What is the end of everything?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

In the image below, can you find the value of an angle(y)