Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

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

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

What makes this number unique: 8,549,176,320?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Can you count the number of triangles in the given picture?