July 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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1st

A fireman is running to get a net under a lady who looks like she might jump off the balcony of her 20 story apartment building. There is nothing below her except a 20 story fall. The fireman is still 100 yards away when she falls and can't nearly get there in time. The woman is not hurt more than a bruise. How is that possible?
Solution

2nd

1. Brad Doe works for a packaging company. One day, he received four separate orders and accidentally mixed up the addresses, so he applied the address labels at random. What is the probability that exactly three packages were correctly labeled?

2. Imagine a square, with each side 4 cm long, inscribed in a circle. What is the radius of the circle?

3. Without looking at a calendar, within a minute name a boys name using 5 consecutive 1st letters of 5 consecutive months.
Solution

3rd

A plane was returning from the Olympic Games with five athletes who placed first through fifth in an event. They made the following statements:
A: "I was not the last"
B: "C was the third"
C: "A was behind E"
D: "E was second"
E: "D was not the first."
On account of modesty or for some other reason, the gold and silver medallists lied. The three worst athletes told the truth. What order did they all place in?
Solution

4th

1. Hanger is to closet as tree is to:
Branch - Bushes - Forest - Ground - Nest

2. You can spin, wheel and twist, but this thing can turn without moving. What is it?
Solution

5th

Using the grid below, how many words can you find? Each word must contain the central C and no letter can be used twice, however, the letters do not have to be connected. Proper nouns are not allowed, however, plurals are. There is at least one nine letter word.

A C L
U C L
A T E

Genius: 30 words. Excellent: 22 words. Good: 19 words. Average: 16 words.
Solution

6th

1. A house with two occupants, sometimes one, rarely three.
Break the walls, eat the boarders, then throw away me.
What am I?

2. Fitzgerald drove 30 miles to work every day. He averaged the same speed going to work as he did coming from work. It took him one hour and thirty minutes to drive to work. Yet it only took him ninety minutes to drive home. How come?
Solution

7th

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?
Solution

8th

Carl Jones introduced Roger Smith to his friend as his Uncle Roger. Roger Smith introduced Carl Jones to his friend as his Uncle Carl.
"If you are uncles to each other," queried one of the friends, "you must also be nephews to each other."
"That's correct," replied Carl.
Since there has been no breach of marriage law, how can you explain such a relationship?
Solution

9th

"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."
"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?
Solution

10th

After teaching his class all about roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The only stipulation the teacher made was that the pen could not be lifted from the paper until the line was complete.
Solution

11th

A9543B represents a six-digit number in which A and B are digits different from each other. The number is divisible by 11 and also by 8.
What digit does A represent?
Solution

12th

A 30 year old man married a 25 year old woman. She died at age 50 and her husband was so devastated that he cried for years. Ten years after he stopped crying, he died. If he had lived to be 80, how many years was he a widower?
Solution

13th

Frogger the magic frog can jump 10 feet using his magical magic jump, but his magic loses its power by a half each time, so his next jump only goes as far as 5 feet. The next jump will take him 2.5 feet, and so on. How many jumps does it take to make it all the way across a 100 foot long pond?
Solution

14th

The tour guide was finishing the tour at Mozart's grave and told everyone that if they listened very carefully, they could hear actual music coming from the grave. Everyone immediately fell silent and, sure enough, symphony music could be distinctly heard coming from the ground although it sounded as if it were being played backwards. What could possibly explain this?
Solution

15th

16th

1. Using all of the digits from I to 9 once each, create three 3-digit numbers that are in a ratio of 1:2:3. There are four solutions.

2. Rhonda will go see ballet but not opera. Her favorite number is eight and she doesn't like nine. She likes salmon but not trout. She hates Mondays but likes Wednesdays. Does she use a comb or a brush?
Solution

17th

I can precede a bug
I can precede a child
I can be held dear
I can be wild
I can be an affair to remember
I can be less
That's it for now...can you guess?
Solution

18th

Although I exist alone, I am often intertwined with others as the threads of a spider web. When worn there's an expression that signifies you shall not leave me. A man with a name meaning knowledgeable one once said that I am part of a set of four and that I have less than ten folds.
Solution

19th

1. A man gave one son 10 cents and another son was given 15 cents. What time is it?

2. Round and round the ragged rock, The rugged rascal ran. Tell me how many r's are in that?

3. Three friends went out for drinks. The waiter brought them a check for \$30, so each one of them paid \$10. When the waiter took the cash, he realized he had made a mistake, and the check was for \$25 instead. When he gave their change back, each friend got a dollar and they left the remaining two dollars as a tip. Therefore, each customer paid \$9; multiplied by 3 this equals \$27; plus \$2 for the tip equals \$29. Where is the remaining dollar?
Solution

20th

In order to win a free laptop computer, students had to guess the exact numbers of gumballs in a jar. The students guessed 45, 41, 55, 50, and 43, but nobody won. The guesses were off by 3, 7, 5, 7, and 2 (given in no particular order). From this information, can you determine the number of gumballs in the jar?
Solution

21st

"Do you always believe what you see?" asked Snorkel, taking four cards from a regular pack of playing cards and discarding the rest. "What do you mean?" replied Twanger. Snorkel showed Twanger his four cards : an ace, a three, a ten and a jack. After secretly arranging them in a certain order, he dealt them face down in a line on the table. "I've seen this trick before!" cried Twanger. "You want me to tell you where the jack is." "The jack!" exclaimed Snorkel. "There are two jacks in these four cards." How is it possible and where are they in the four face-down cards?
Solution

22nd

A Quiz For People Who Know Everything
1. There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends. What is it?
2. What famous North American landmark is constantly moving backward?
3. Of all vegetables, only two can live to produce on their own for several growing seasons. All other vegetables must be replanted every year. What are the only two perennial vegetables?
4. Name the only sport in which the ball is always in possession of the team on defense, and the offensive team can score without touching the ball?
5. What fruit has its seeds on the outside?
6. In many liquor stores, you can buy pear brandy, with a real pear inside the bottle. The pear is whole and ripe, and the bottle is genuine; it hasn't been cut in any way. How did the pear get inside the bottle?
7. Only three words in standard English begin with the letters "dw." They are all common. Name two of them.
8. There are fourteen punctuation marks in English grammar. Can you name half of them?
9. Where are the lakes that are referred to in the "Los Angeles Lakers?"
10. There are seven ways a baseball player can legally reach first base without getting a hit. Taking a base on balls, a walk, is one way. Name the other six.
11. It's the only vegetable or fruit that is never sold frozen, canned, processed, cooked, or in any other form but fresh. What is it?
12. Name six or more things that you can wear on your feet that begin with the letter "S."
Solution

23rd

1. Three Points on a Hemisphere
Three points are selected at random on a sphere's surface. What is the probability that they all lie in the same hemisphere? Assume that the great circle, bordering a hemisphere, is part of the hemisphere.

2. I am a window, I am a lamp, I am clouded, I am shining, and I am colored; set in white, I fill with water and overflow. I say much, but I have no words. What am I?
Solution

24th

One morning a man is leaving on business trip and finds he left some paperwork at his office. He runs into his office to get it and the night watchman stops him and says, "Sir, don't get on the plane. I had a dream last night that the plane would crash and everyone would die!" The man takes his word and cancels his trip. Sure enough the plane crashes and everyone dies. The next morning the man gives the watchman a \$1,000 reward for saving his life and then fires him. Why did he fire the watchman that saved his life?
Solution

25th

Across a stream runs a row of eight stepping stones. On one side of the stream, on the first five stones, sit five girl lizards-Liza, Lizzie, Lottie, Lola, and Liz-and they want to get across to the other side. There's one empty stone in the middle. On the other side are three boy lizards, waiting to come across the other way-Lonnie, Leo, and Len. Only one lizard moves at a time. Any lizard may hop to the next stone if it is empty, or may hop over one lizard of the opposite sex onto an empty stone. Can you get all the lizards across the river, and what's the smallest number of leaps?
Solution

26th

The old lady who lived in a shoe was having some real trouble buying Christmas presents for her enormous family. Although she bought the least expensive stocking stuffers she could find, the bill was high. Of course, both a 15 percent sales tax and a 5 percent luxury tax were added to the original price. She paid a total of \$100. What was the cost of the stuffers before taxes?
Solution

27th

1. How can a woman in New York, without getting a divorce or becoming a widow, or otherwise legally separated, legally marry 10 men?

2. I am a 4-digit number that is the same when my digits are written backwards. The sum of my outside digits is 6 times the sum of my two middle digits. What number am I?

3. The local Music Society had their fall concert last night. Ticket prices were as follows: men \$5, women \$2, children 10 cents. Coincidentally, 120 people attended and \$120 was earned from ticket sales. How many men, women and children were in attendance?
Solution

28th

I am periodically the number 79.
Long ago some attempted to make me from 29 but learned it couldn't be done. If you add me to 80 I appear to be 47 temporarily.
What am I?
Solution

29th

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.
Solution

30th

What Number?

1. What is the five-digit number, no zeroes, in which the second digit is three times the first, the third is one more than the second, the fourth is four times the first, and the last is one-half more than the second?

2. A 3 digit number is such that its unit digit is equal to the product of the other two digits which are prime. Also, the difference between its reverse and itself is 396. What is the sum of the three digits?
Solution

31st

1. It is the only one that contains all the numbers in alphabetical order.

2. F for February. The letters are the initials of the first eight months of the year.
Solution

 Today's Puzzles: