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

Which letter of the alphabet has the most water?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

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?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Prove that twice of ten is the same as twice of eleven.

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Whats the next number in the below number sequence pattern.

Can you find the thief by just looking at the picture below?

What does below chemistry rebus means?