Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Why do you find that most of the buildings are deprived of the 13th floor?

What happened when the wheel was invented?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

What is the next shape from answers A, B, C, and D figure?

Find out the number of circles in the given picture having Illusion

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 remainder when 3^300 is divided by 5?