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?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Find the next number in the series.
1 10 24 43 67 ?

Can you find out which options fits best with the missing column?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Move four matchsticks to the below square to form three squares?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

Find the next number in the series below

21 32 54 87 131 ?

What is the end of everything?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?