What do you call a fish without an eye?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Can you solve the below tricky visual equation?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

In which direction should the missing arrow point?

I can be cracked, made, told, and played. What am I?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

I have no life, but I can die. What am I?

Find the smallest sentence with all the English alphabet.