One family wants to get through a tunnel. Dad can make it in 1 minute, mama in 2 minutes, son in 4 and daughter in 5 minutes. Unfortunately, through the tight tunnel can go at once not more than two persons moving at the speed of the slower one.
Can they all make it if they have a torch that lasts only 12 minutes and they are afraid of the dark?
Solution:
First mom and dad – 2 minutes. Dad comes back – 3 minutes, both children go to mom – 8 minutes. Mom comes to dad – 10 minutes and they both get to their children – 12 minutes.
Tuesday, February 19, 2008
Monday, February 18, 2008
Pouring Water
Three Jars contain 19,13 abd 7 liters respectively. The first is empty and the others are full. None of the vessels is graduated. How can one measure out 10 liters, using no other vessels, by pouring fluid from one into another?
Solution:
Solution:
17 13 7
-- -- --
00 - 13 - 7
07 - 13 - 0
19 - 01 - 0
12 - 01 - 7
12 - 08 - 0
05 - 08 - 7
05 - 13 - 2
18 - 00 - 2
18 - 02 - 0
11 - 02 - 7
11 - 09 - 0
04 - 09 - 7
04 - 13 - 3
17 - 00 - 3
17 - 03 - 0
10 - 03 - 7
Tuesday, February 5, 2008
Hotel Bill
Three people check into a hotel. They pay $30 to the manager and go to their room. The manager finds out that the room rate is $25 and gives $5 to the bellboy to return. On the way to the room the bellboy reasons that $5 would be difficult to share among three people so he pockets $2 and gives $1 to each person. Now each person paid $10 and got back $1. So they paid $9 each, totalling $27. The bellboy has $2, totalling $29.
Where is the remaining dollar?
Answer:
This is a nice nonsense. Each guest paid $9 because they gave $30 and they were given back $3. The manager got $25 and the difference ($2) has the bellboy. So it is nonsense to add the $2 to the $27, since the bellboy kept the $2.
Where is the remaining dollar?
Answer:
This is a nice nonsense. Each guest paid $9 because they gave $30 and they were given back $3. The manager got $25 and the difference ($2) has the bellboy. So it is nonsense to add the $2 to the $27, since the bellboy kept the $2.
Monday, February 4, 2008
Sack
A poor farmer went to a market to sell some peas and lentils, however as he had only one sack and didn't want to mix peas and lentils, he poured in the peas at first, bound the sack up and than poured in the lentils. At the market a rich innkeeper wanted to buy the peas, but he did not want the lentils.
How would you solve this problem if you had only the sack of the innkeeper, which he wants to keep (without devaluing the goods).
Solution:
Pour the lentils into the innkeeper’s sack, bind it and turn inside out. Pour in the peas. Then unbind the sack a pour the lentils back to your sack.
How would you solve this problem if you had only the sack of the innkeeper, which he wants to keep (without devaluing the goods).
Solution:
Pour the lentils into the innkeeper’s sack, bind it and turn inside out. Pour in the peas. Then unbind the sack a pour the lentils back to your sack.
Weird Words
1. What is the longest English word that contains a single, unrepeated vowel?
2. Give 2 9-letter words that have 1 syllable.
3. Give a word that has 5 consecutive vowels.
4. Give 2 words that have 5 consecutive consonants.
5. Give a word that has 6 consecutive consonants
6. Give 2 words that have the 6 vowels a e i o u y in alphabetical order
7. Give a word that has 6 occurrences of the same vowel.
8. Give a word that has three consecutive repeated letters.
Answer:
1. Strengths
2. Strengths, Stretched
3. Queueing
4. Strengths, Angsts, Witchcraft
5. Latchstring
6. Facetiously, Abstemiously
7. Indivisibility
8. bookkeeper
2. Give 2 9-letter words that have 1 syllable.
3. Give a word that has 5 consecutive vowels.
4. Give 2 words that have 5 consecutive consonants.
5. Give a word that has 6 consecutive consonants
6. Give 2 words that have the 6 vowels a e i o u y in alphabetical order
7. Give a word that has 6 occurrences of the same vowel.
8. Give a word that has three consecutive repeated letters.
Answer:
1. Strengths
2. Strengths, Stretched
3. Queueing
4. Strengths, Angsts, Witchcraft
5. Latchstring
6. Facetiously, Abstemiously
7. Indivisibility
8. bookkeeper
The Man in the Elevator
A man lives on the tenth floor of a building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator - or if it was raining that day - he goes back to his floor directly. Otherwise, he goes to the seventh floor and walks up three flights of stairs to his apartment. Can you explain why?
Answer:
The man is a of short stature. He can't reach the upper elevator buttons, but he can ask people to push them for him. He can also push them with his umbrella.
Answer:
The man is a of short stature. He can't reach the upper elevator buttons, but he can ask people to push them for him. He can also push them with his umbrella.
Family Reunion
At a family reunion, it is found that the following relationships existed between the people present: Father, Mother, Son, Daughter, Uncle, Aunt, Brother, Sister, Cousin, Nephew, Niece. However there were only four people there. How could this be so?
Answer: A father and a son, the fathers sister and her daughter
Answer: A father and a son, the fathers sister and her daughter
5 Digit Number
What 5-digit number has the following features? If we put numeral 1 at the beginning, we get a number three times smaller, than if we gave the numeral 1 behind this number.
Solution: Using an easy equation: 3(x+100000) = 10x+1 we find out that the number is 42857.
Solution: Using an easy equation: 3(x+100000) = 10x+1 we find out that the number is 42857.
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