If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

What goes up but never comes down?

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?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What is the centre of gravity?

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

What has 88 keys?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.