What word is pronounced the same if you take away four of its five letters?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

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?

What is harder to catch the faster you run?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Can you divide the below-given shape into four equal and identical pieces?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?