It is always ahead of me yet I can never see it. What is it?

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?

By using 'because' continuously three times, can you make an English statement ?

I cannot talk, but I always reply when spoken to. What am I?

Count the number of squares in the picture below.

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

Can you find the 09 errors in the picture below?

What is the next shape from answers A, B, C, and D figure?

The more it dries, the wetter it becomes. Can you tell what it is?

Can you name four days which start with the letter 'T'?