DAY 6
A train one mile long, traveling 1 mile per minute, enters a tunnel 1 mile long. How long will it take the train to pass completely through the tunnel?

Answer:

2 minutes. After one minute, the train is completely inside the tunnel. It takes another minute for the train to get completely out of the tunnel.

DAY 7
What is the least number of horses that can satisfy this description? One horse in front of two horses, one horse between two horses, and one horse behind two horses.

Answer:

3

DAY 8
In the Rabbit Family there are 12 brothers. Each of the brothers has two sisters. How many children are in the Rabbit Family?

Answer:

14........... Each brother has the same two sisters.

DAY 9
A father and his son are in a car accident. Two ambulances come and the father and son are taken to different hospitals. The son needs surgery. When the doctor sees the boy, the doctor says, "I cannot operate on this boy. He is my son." How is this possible?

Answer:

The doctor is the boy's mother.

DAY 10
If 5 cats can catch 5 mice in 5 minutes, how long will it take one cat to catch one mouse? (Assume the cats are all of equal ability in catching mice.)

Answer:

5 minutes............ If 5 cats can catch 5 mice in 5 minutes, each cat is catching one mouse in 5 minutes.