Twelve flags stand equidistant along the track at the stadium. The runners start at the first flag. A runner reaches the eighth flag 8 seconds after he starts. If he runs at an even speed, how many seconds does he need altogether to reach the twelfth flag?
Riddle AnswerHard Riddles
Schoolboy’s Route
Each morning Boris walks to school. At one-fourth of the way he passes the machine and tractor station; at one-third of the way, the railroad station. At the machine and tractor station its clock shows 7:30, and at the railroad station its clock shows 7:35.
When does Boris leave his house, when does he reach school?
Riddle AnswerBook Price
Two Trains Puzzle
A nonstop train leaves Moscow for Leningrad at 60 miles per hour. Another nonstop train leaves Leningrad for Moscow at 40 miles an hour. How far apart are the trains 1 hour before they pass each other?
Riddle Answer10 Chairs 4 Walls
In a rectangular dance hall, how do you place 10 chairs along the walls so that there are an equal number of chairs along each wall?
Riddle Answer