Rearrange the letters in "new door" to make one word.

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Why is the Hole below a Lock?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

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

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Find the value of "?" in the ball picture Riddle below:

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?