I have feet, but no legs. Which animal Am I?

Solve the counting riddle by identifying the number of triangles in the given picture.

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Can you identify if it's a murder or a suicide ?

What is the word or phrase below?
R | E | A | D

Who has married many women but was never married?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Four friends are sitting on a tree. Each one of them is wearing a hat. They don't know which coloured hat are they wearing but they do know that two of them have green hats and two of them have orange hats.

Adam is sitting on the top branch and he can see the hats of Billy and Cyrus. Billy is sitting on a branch above Cyrus and he can see Cyrus hat. Duke is sitting at the base of the tree. Branches are covering him fully and no one can see his hat.

Now they are not allowed to look upwards. Who do you think will shout the colour of his hat first?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.