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?

I am quite hot but become too cold if you remove the first two letters. What am I?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Can you find the 09 errors in the picture below?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

You see me once in June, twice in November, and not at all in May. What am I?

Count the number of lines in the image below ?

What seven-letter word has hundreds of letters in it?