31january

Glass Problem

Given three bowls: 7, 4 and 3 liters capacity. Only the 7-liter is full. Pouring the water the fewest number of times, make the quantities of 2, 2, and 3 liters.

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28january

Number Problem

I just found a number with an interesting property:
When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.
It's not a small number, but it's not really big, either. When I looked for a smaller number with this property I couldn't find one.
Can you find it?

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27january

3 RapidFire Problem

1.what gets hotter as it gets colder?
2.what is white when it's dirty turns black as you clean it?
3.what gets wetter as it dries?

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26january

Honestants and Swindlecants Problem

On this mysterious island there are 2 kinds of people - Honestants who always make true statements and Swindlecants who always make false statements.
In the pub the gringo met a funny guy who said: 'If my wife is an Honestant, then I am Swindlecant.' Who is this couple?

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25january

Tennis Ball Problem

Given 27 table tennis balls, one is heavier than the others.
What is the minimum number of weighings (using a two-pan balance scale) needed to guarantee identifying the heavy one? Always. Of course, the other 26 balls weigh the same.

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24january

Trip Problem

If I went halfway to a town 60 km away at the speed of 30 km/hour, how fast do I have to go the rest of the way to have an average speed of 60 km/hour over the entire trip?

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21january

6 Cup 1 move Problem

Here are six cups. Three of them are empty, three have wine in them. Your goal is to make the line of cups alternate (wine-empty-wine-empty or empty-wine-empty-etc). You can only touch one cup and that is the cup you move. You may not move any other cups with or without your hand except if you are pushing the cup you chose to move between two other cups. How do you do it?


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20january

CAT EXAM Problem


5+3+2 = 151022

9+2+4 = 183652

8+6+3 = 482466

5+4+5 = 202541

THEN ;

7+2+5 = ???

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19january

Tanya Date Problem

Tanya wants to go on a date and prefers her date to be tall, dark and handsome.

  • Of the preferred traits - tall, dark and handsome - no two of Adam, Bond, Cruz and Dumbo have the same number.
  • Only Adam or Dumbo is tall and fair.
  • Only Bond or Cruz is short and handsome.
  • Adam and Cruz are either both tall or both short.
  • Bond and Dumbo are either both dark or both fair.
Who is Tanya's date?

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18january

wherz dad Problem

Right now mum is 21 years older then her child. in 6 years her child will be 5 times younger than she.
Q: where is daddy?

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17january

Candle Problem

Two candles are the same length.
Both are lit at the same time.
The first candle (#1) burns six hours before it extinguishes itself.
The second candle (#2) burns three hours before it extinguishes itself.
During how much time must candle #1 burn before it is twice the length of candle #2?

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14january

Crates of Fruit Problem

You are on an island and there are three crates of fruit that have washed up in front of you. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labeled. One reads "apples", one reads "oranges", and one reads "apples and oranges". You know that NONE of the crates have been labeled correctly - they are all wrong.

If you can only take out and look at just one of the pieces of fruit from just one of the crates, how can you label ALL of the crates correctly?

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13january

Mathematical symbol Problem

What mathematical symbol can be placed between 5 and 9, to get a number greater than 5 and smaller than 9?

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12january

KIller Problem

This is a story about three people (A, B a C) crossing a desert. A hated C and decided to kill him - he poisoned the water in his sack (only C had water). B also wanted to kill C (not knowing that the water of C had been already poisoned) and so B made a hole into the sack of C and the water spilt out. A few days later C died of thirst.
Who was the murderer - A or B?

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11january

Train Problem

A passenger train leaves New York for Boston traveling at the speed of 80 km/hr. In half an hour a freight train leaves Boston for New York traveling at the speed of 60 km/hr.
Which train will be further from New York when they meet?

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10january

Crime Problem

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

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7january

Who am I Problem

I run but never walk. Who am I?


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6january

Measuring Problem

A teacher of mathematics used an unconventional method to measure a 15-minute time limit for a test. He just used 7 and 11-minutehourglasses. During the whole time he turned sandglasses only 3 times (turning both hourglasses at once count as one flip).
Explain how the teacher measured 15 minutes.

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5january

gr8 Escape Problem

A man aproaches you in a dark alley. He says, 'If you tell a lie, I will kill you with a knife. If you tell the truth, I will kill you with a gun.'
What do you say to stay alive?

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4january

Sure Win Problem

a boy was at a carnival and went to a booth where a man said to the boy,"If i write your exact weight on the paper u'll pay me $50". If i cannot then I will pay you $50. The boy looked around saw no scale so he agrees, thinking no matter what the man says he'll just say he ways more or less. In the end the boy ends up paying the man $50. How did the man win the bet

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3january

Room Stuck Problem

You are stuck in a completely enclosed room with no windows and a locked door. There are 4 things in the room: a Table, a Piano, a Baseball Bat and a Saw. Find 3 ways to get out of the room.

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