There are 10 identical bottles of identical pills. Each bottle contains 100 pills. Out of 10 bottles 9 have 1 gram of pills but 1 bottle has pills of 1.1 gram in weight. Given a measurement scale, how would you find the heavy bottle? You can use the scale only once.
Riddle AnswerHard Riddles
Two Mathematicians and a Coin
The king is very angry at his two best mathematicians, so he decrees the following punishment:
The mathematicians will be imprisoned in towers at opposite ends of the kingdom. Each morning, a guard at each tower will flip a coin and show the result to his prisoner. Each prisoner must then guess the result of the coin flip at the other tower. If at least one of the two guesses is correct, they will live another day. But as soon as both guesses are incorrect, they will be executed.
The two mathematicians, as they were being ushered out the door of the castle, came up with a clever plan so that they will always be able to make at least one correct guess. What was their plan?
Riddle AnswerThe Opposite Gender
Sam, Alex, Charlie, and Jordan are related. One of them is the opposite gender from the other three. Here are some facts:
- Charlie’s only son is either Sam or Alex.
- Jordan’s sister is either Alex or Charlie.
- Jordan is either Sam’s brother or Sam’s only daughter.
Who is the opposite gender from the other three?
Riddle AnswerTreasure Lock Key
In a cave there is a treasure within a big metal box with a lock on it. There is also a monster in the cave that has two keys with him; one gold and the other silver. The monster will give you only one chance to open the lock using one of the keys. If the box doesn’t open, the monster will kill you. Since the monster is a bit helpful it would give you a clue in finding out the correct key. Can you choose the correct key by deciphering the below clue?
A GKOY OEPD LYEO DCNO EAAR NNN
Riddle AnswerBoil Eggs in 9 Minutes
You need to boil eggs for exactly 9 minutes.
But you have only 2 hourglasses – one measures 4 minutes and the other measures 7 minutes. How do you measure exactly 9 minutes without the process taking longer than 9 minutes?.
Riddle Answer