A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Find the last number in the series below:

voN luJ yaM raM ---

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

What Deficiency does the below rebus represent?

VIT_MIN

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?

When it's bad luck to meet a black cat?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Identify the hidden meaning behind this picture?