What is full of holes but still holds water?

what does the below math rebus puzzle mean?

What has a bottom at the top?

Spot 5 differences in two Christmas tree below:

What is black when you buy it, red when you use it, and gray when you throw it away?

What number should come in place of the question mark below?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

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

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

What's the only room from which no one can enter or leave