A boy has as many sisters as brothers, but each sister has only half as many sisters as brothers. How many brothers and sisters are there in the family?
Riddle AnswerMath 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 AnswerTwelve Flags
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 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 AnswerTroubling Doubling at School
In a class, the number of girls who do wear a watch is double the number who don’t. But the number of boys who do not wear a watch is double the number who do.
If I tell you the number of girls in my class is double the number of boys, Can you tell me the number of students I teach? Here’s a clue: More than 20; below 32.
Riddle Answer