Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

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?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

I taste better than I can smell. Who am I?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?