Count the number of F’s in the sentence. Count them only once. Do not go back and count them again. FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS.

There is a house. One enters it blind and leaves it seeing. What is it?

Can you name the largest number that can be written with four 1’s?

It walks on four legs in the morning, two legs in the afternoon and three legs at night. What is it?

Mr. Jones has two children. The older child is a girl. What is the probability that both children are girls?

Mr. Smith has two children. At least one of them is a boy. What is the probability that both children are boys?

Mr. Smith has two children. If the older child is a boy, what is the probability that the other child is also a boy?

There was a small get-together. There were a total of 28 handshakes exchanged between the guests. How many guests were present?

As I was going to St. Ives, I met a man with seven wives. Each wife had seven sacks. Each sack had seven cats. Each cat had seven kits. How many were going to St. Ives?

You have two jugs. One holds exactly 3 gallons and the other 5 gallons of water. You have unlimited supply of water. How do you fill 4 gallons of water into the five-gallon jug?

Think of words ending in GRY. Angry and hungry are two of them. There are only three words in the English language. What is the third word? The word is something that everyone uses every day. If you have listened carefully, I have already told you what it is.

A boy saw a shirt for $97 but does not have enough cash. So he borrowed $50 from his mom and another $50 from his dad. He bought the shirt, and got back $3 as change. He gave his dad $1 and his mom $1 and kept the other $1 for himself. Now mom and dad paid $10 each and got back $1 each. So they paid $49 each, totaling $98. The boy has another $1, adding up to $99. Where is the missing dollar?

A farmer must transport a wolf, a sheep and cabbage from one side of a river to another using a boat. But in crossing the river by boat, the farmer could carry only himself and a single item – the wolf, the sheep or the cabbage. If left together, the wolf would eat the sheep, or the sheep would eat the cabbage. How can the farmer transport the wolf, the sheep and the cabbage across the river without losing any of them?

Three men go to stay at a hotel and they are charged $30.00 for the room. They split the cost with ten dollars each. Later the manager finds out that the rate is $25 and gives the bellboy $5 to return to the guests. On the way to the room the bellboy reasons that $5 would be difficult to split among three people so he pockets $2 and gives $1 to each person. Now each person paid $10 and got back $1. So they paid $9 each, totaling $27. The bellboy has another $2, adding up to $29. Where is the missing dollar?

There is a small town on the East Coast that has 2 barbershops each with a single barber, and on opposite sides of town. The barbershop in the good part of town is immaculate. The floors and windows are washed and the air is fresh. The barber is very friendly, always smiling, he has shined shoes, a nice head of hair, and a clean dress shirt. The barbershop in the bad part of town is a mess. The entire barbershop is covered with a layer of dirt, and the air smells of trash. The barber always has a frown on his face. His skin is oily, his hair is ragged, and there are always stains visible on his shirt. A man comes into town and hears of both barbershops and the man decides to go to the dirty barbershop in the bad part of town. Why does he do this?