It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Imagine you are in a room with no windows or doors. How will you get out?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

Can you find out the number that should replace the question mark with a valid reason?

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

I’m tall when I’m young, and I’m short when I’m old. What am I?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

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?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?