February Brain Teasers
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Brain Teasers: A brain teaser is a form of puzzle that requires thought to solve. It often requires thinking in unconventional ways with given constraints in mind; sometimes it also involves lateral thinking. Logic puzzles and riddles are specific types of brain teasers. Today's can be found below....
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"How old are your daughters?" Fred asked a friend one day.
"The product of their ages is 36," replied his friend.
"You are not giving me enough information," protested Fred.
"The sum of their ages is the age of your oldest son."
"I still need more information."
"All right, then. I can tell you that the oldest daughter, who is at least a year older than the other two, is a very fine pianist."
"Ah! Now I know how old your daughters are."
What are the ages of Fred's friend's daughters?
Thinking Of Casino's
1. Even though the odds are always in favor of the gambling house, why does the establishment insist on a house limit on stakes?
2. Three playing cards in a row. Can you name them with these clues?
There is a two to the right of a king.
A diamond will be found to the left of a spade.
An ace is to the left of a heart.
A heart is to the left of a spade.
Now, identify all three cards
3. What is put on a table, cut, but never eaten?
1. Little Johnny buys 10 trees at a local nursery. How does he plant these 10 trees in 5 rows with 4 in each row?
2. How much dirt would be in a hole 6 feet deep and 6 feet wide that has been dug with a square edged shovel?
3. A railway line has a double track, except in a tunnel where there was no room for a double track. A train goes into the tunnel in one direction, and another one enters in the opposite direction. Both trains are traveling fast. However, they do not crash. Why?
1. What kind of water never freezes?
2. What kind of rocks are on the bottom of the Mississippi River?
3. What kind of coat can be put on only when wet?
4. If a rooster laid a brown egg and a white egg, what kind of chicks would hatch?
Twice ten are six of us,
Six are but three of us,
Nine are but four of us;
What can we possibly be?
Would you know more of us?
Twelve are but six of us,
Five are but four, do you see?
What are we?
1. A certain family party consisted of 1 grandfather, 1 grandmother, 2 fathers, 2 mothers, 4 children, 3 grandchildren, 1 brother, 2 sisters, 2 sons, 2 daughters, 1 father-in-law, 1 mother-in-law and 1 daughter-in-law. This may appear to add up to 23 people but was in fact only 7. Who all was the party?
2. A man went into a bank with exactly $1,000 in silver dollars. He gave them to a cashier and asked the cashier to put the money into 10 bags is such a way that if he later needed any amount of dollars up to $1,000, he could lay his hands on that amount without needing to open any of the bags. How did the cashier achieve this?
How many four sided shapes are in this diagram?
Which of the following sentences given below means approximately the same as the proverb: "Don't count your chickens until they are hatched?"
1."Some eggs have double yolks, so you can't really count eggs and chickens."
2."You can't walk around the henhouse to count the eggs because it will disturb the hens and they won't lay eggs"
3."It is not really sensible to rely on something that has not yet happened and may not ever happen"
4."Since eggs break so easily, you may not be accurate in your count of future chickens."
1. A word I know, Six letters it contains, Subtract just one, And twelve is what remains.
2. Most of us use it every day in our homes. If we purchased 100 pounds of it, it would contain approximately 87 pounds of water; 4 pounds of fat; 4 pounds of casein, ash and albumin; and 5 pounds of sugar. What is it?
3. Is the number of people in the world who have shaken hands with an odd number of people odd or even?
1. A grandfather clock chimes the appropriate number of times to indicate the hour, as well as chiming once at each quarter hour. If you were in another room and heard the clock chime just once, what would be the longest period of time you would have to wait in order to be certain of the correct time?
2. Gary began peeling a pile of 44 potatoes at the rate of 3 per minute. Four minutes later, Christen joined him, and peeled at the rate of 5 potatoes per minute. When they were finished, how many potatoes had each peeled?
I have one, you have one.
If you remove the first letter, a bit remains.
If you remove the second, bit still remains.
After much trying, you might be able to remove the third one also, but it remains.
It dies hard!
1. Every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines. How many students are in the class?
2. If 1 red valentine equals 3 purple valentines, and 1 purple valentine equals 4 white valentines, how many red valentines are in 24 white valentines?
There are so many words. If you take the letters found in the word VALENTINES, using the clues below, can you figure out the words that can be made?
1. A number between 8 and 10
2. A person owned by another person
3. An indigenous person
4. To express anger, or a heating duct opening
5. A person who stands watch and/or is watching
6. Necessary to existence or well-being of something
7. A type of beverage served in a pub
8. Agreeably tolerant or permissive
9. Lacking noise
10. Foreign Language
11. Goes away, or items that fall from trees and need raking
12. Opposite of odd
Last Valentine's Day, Jimmy and Shelly were looking for just the right card for each other.
Shelly adored the diamonds she got from Jimmy, and it was no surprise when he stole her heart away. Sadly, their grandmother brought an end to their affair...if only for a moment, for they had the perfect idea to let it go on for as long as they liked.
What were Jimmy and Shelly up to?
Find the picture that follows logically from the diagrams to the right.
Professor Hamilton was visiting his sister, when his young nephew, Theery, showed him a list of all the American Presidents in order. As Hamilton looked at the list he mentioned to Theery that, of the first five American Presidents, (George Washington, John Adams, Thomas Jefferson, James Madison and James Monroe) three died on July 4th, America's Independence Day. Theery looked at the list and said, "I bet that one of the three was James Monroe." Hamilton was surprised that Theery knew this. Since Theery had no knowledge of how or when James Monroe died. How could he have been so sure he was one of them?
1. Four cars come to a four way stop, all coming from a different direction. They can't decide who got there first, so they all go forward at the same time. They do not crash into each other, but all four cars go. How is this possible?
2. A family gathering consists of father, mother, son, daughter, brother, sister, cousin, nephew, niece, uncle and aunt. But there are only two men and two women present. They have a common ancestor, and there has been no consanguine marriage. Explain how this is possible.
Two grandmothers, with their two granddaughters;
Two husbands, with their two wives;
Two fathers, with their two daughters;
Two mothers, with their two sons;
Two maidens, with their two mothers;
Two sisters, with their two brothers;
Yet only six in all lie buried here;
All born legitimate, from incest Clear.
How might this happen?
How Stupid Do You Think You Are?
1. There is a marvelous invention which makes it possible for people to see through brick walls. What is it?
2. If you called an elephant's trunk a leg, how many legs would an elephant have?
3. No scale is needed for this one. Which weighs the most, a ton of feathers or a ton of iron?
4. What time is it when a clock strikes 13 times?
Can we trick you?
1. It was an exciting football game. It was also an unusual one. The score was seven to two. At the same time, not one man had managed to cross the goal line. But the game was played according to the rules. How is this possible?
2. "Railroad crossing, look out for the cars."
Can you spell it without any "R's"?
The local recycling plant had a contract requiring anyone who obtained recycled bottles for storage from them, to bring them back to be recycled again. The plant could make one new bottle from every seven bottles returned. One week, on Monday, they got 343 bottles to recycle. Assuming that everybody brought back all the empties, how many could they eventually remake from the 343?
I rule over everything
I lay mountains low
I dethrone all kings
and kingdoms overthrow
I am measured
yet have no substance
I exist but can't be touched
I am everywhere yet I am nothing
you live by my standard day by day
can you find me?
What am I?
Time, Words and a Trick
1. You have accidentally left out the plug and are attempting to fill the bath with both 2 taps full on. The hot tap takes 6 minutes to fill the bath, the cold tap takes 4 minutes, and the water empties through the plug hole in 12 minutes. In how many minutes will the bath be filled?
2. What word starting with BR, that with the addition of the letter E, becomes another word that sounds the same as the first?
3. Last Thursday, my aunt Martha forgot her driver's license at home. She was traveling down a one way street in the wrong direction and did not stop at an intersection to let pedestrians go. A policeman was watching her, but did not give her a ticket. Why?
If all 1-digit numbers are arranged in alphabetical order, they are eight, five, four, nine, one, seven, six, three, two. Here, eight comes first, and two comes last.
If all 3-digit numbers are arranged in alphabetical order, which number comes first, and which number comes last?
The following addition example uses letters instead of numbers. Each letter must be replaced with a number-the same number each time the letter appears. The puzzle will then be correct mathematically.
DO YOU KNOW???
1. What do you call the covering on the end of a shoelace?
2. What does ZIP in ZIP code stand for?
3. Do fingerprints have a function?
4. Is an airplane's black box actually black?
5. What does Ouija in Ouija board mean?
6. Who insures the FDIC?
What actor or actress made his or her final exit, so to speak, with these words? And in what films?
2. "Coulda been whole world Willie Stark."
3. "Mother of Mercy, is this the end of Rico?"
4. "What the hell happened?"
5. "I tripped."
6. "That's mighty brave talk for a one-eyed fat man."
7. "Good. For a minute I thought we were in trouble."
8. "Yaho--yee-ha! yaaaa-hooooooo!"
9. "--upon the seat of a bicycle--built-for-two."
10. "Tell Manny he's got to go on-got to see our grandson-for both
If Brazil is east of New York, cross out all the W's and X's. If not, cross out all the A's. If Henry VIII lived in the same century as Columbus, cross out all the Y's. If not, cross out the M's and N's. If Golden Gate Bridge is the longest suspension bridge in the world, cross out all the S's and E's. If not, cross out all the I's and Z's. What word do you have left?
You have three houses or squares drawn on paper and below them three smaller squares representing gas, water, and electric. Can you draw a line and get each utility into every house (9) total lines, without crossing over any line?