When my father was 31, I was 8. Now he is twice as old as I am. How old am I?
Riddle AnswerMath Riddles
8 Monkeys
Suppose 8 monkeys take 8 minutes to eat 8 bananas. How many minutes would it take 3 monkeys to eat 3 bananas? How many monkeys would it take to eat 48 bananas in 48 minutes?
Riddle AnswerShirt For $97
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 $50 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?
Riddle AnswerRow of Soldiers
There is a row of soldiers that is 1km in length and they walk with a constant speed in a straight line, in one direction.
All the way at the end walks a messenger. He has to bring a message to the captain walking all the way at the beginning of the row.
The messenger starts walking past the soldiers and immediately turns around when arriving at the captain and walks back to the end of the row. When the messenger is back at the end, the whole group of soldiers have traveled a distance of 1 km.
The soldiers and captain are walking at the same constant speed. The messenger (walking faster then the soldiers) is also walking a a constant speed.
You don’t know anything about time or speed. How far did the messenger travel from the end of the row to the beginning and back?
Riddle AnswerCheryl’s Birthday
Albert and Bernard became friends with Cheryl, and they want to know when her birthday is. Cheryl gives them a list of 10 possible dates.
May 15 May 16 May 19 June 17 June 18 July 14 July 16 Aug 14 Aug 15 Aug 17
Cheryl then tells Albert and Bernard separately the month and the day of her birthday respectively.
Albert: I don’t know when Cheryl’s birthday is, but I know that Bernard does not know too.
Bernard: At first I don’t know when Cheryl’s birthday is, but I know now.
Albert: Then I also know when Cheryl’s birthday is.
When is Cheryl’s birthday?
Riddle Answer