Brain Teaser 5/31/2013

The time is twenty-six minutes to one in the afternoon.
The year is 1978, and the date is May 6th. What is the
significance of this?
Solution

Brain Teaser 5/30/2013

Replace the asterisks by the correct mathematical signs
to make the expression equal to 99.
16 * 12 * 2 * 3 = 99
Solution

Brain Teaser 5/29/2013

How Old Did You Say?

1. "My grandson is about as many days as my son is weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 140 years. Can you tell me my age in years?"

2. If you reverse the digits of my age, you have the age of my son. A year ago, I was twice his age. How old are we both now?

3. Soon little Freddie will celebrate his tenth birthday. In 11 years Freddie will reach half the average age of his parents. His mother is only 17 years older than her son. How old are Freddie's father and mother.
Solution

Brain Teaser 5/28/2013

1. Each of the Johnson brothers has as many sisters as he has brothers. Each of the Johnson sisters has twice as many brothers as she has sisters. How many brothers and sisters are there in the Johnson family?

2. Twenty-one birds are nesting in a tree. If a man shot into the tree and killed one-seventh of them, how many would remain?
Solution

Brain Teaser 5/27/2013

Tom is younger than Rose, but older than Will and Jack, in that order. Rose is younger than Susie, but older than Jack. Jack is younger than Jim. Susie is older than Rose, but younger than Jim. Jim is older than Tom. Who is the oldest?
Solution

Brain Teaser 5/25/2013

"We were born on the same day of the same year," said Betsy.
"And we have the same mother and father," said Patsy.
"But we're not twins," said Betsy.
Can you explain?
Solution

Brain Teaser 5/24/2013

Naturally, 7 beats six by 1.
And, of course, 700 beats 600.
Why then, does 71 not beat 67?
Solution

Brain Teaser 5/23/2013

Two Quick Ones...

1. Which is more, seconds in 100 hours or inches in 100 yards?

2. Complete the series by adding the next number:
0,0,1,2,2,4,3,6,4,?
Solution

Brain Teaser 5/22/2013

1. You have two pencils, a good one and a cheap one. The good one costs $1.00 more than the cheap one. You spend $1.10 for both. How much did the cheap one cost?

2. How much dirt is in a hole that is 3 ft. deep, and 6 inches in diameter?
Solution

Brain Teaser 5/21/2013

1. My brother started out from Boston, and I started out from New York, to meet in New Haven for lunch. When we met in New Haven, which of us was farther from Boston?

2. If you have only one match and you walked into a room where there was an oil burner, a kerosene lamp, and a wood burning stove, which one would you light first?
Solution

Brain Teaser 5/20/2013

My first can be found, in a TREE, but not on the GROUND.
My second not PERMITTED, but certainly ALLOWED.
My third is in GREY, if it is spelled the English way.
My forth is in PEA, but not in NUT.
Fifth is in HOUSES, also in HUTS.
SIXTH always in DAY but never night.
My last is in STICKY, but not in BUN
My whole very large it weighs a ton.
Solution

Brain Teaser 5/18/2013

1. If SIX is TEN, ONE is HIS, and FIVE is LEGS, what is SEVEN?

2. Two men play five games of checkers. Each man wins the same number of games. There are no ties. Explain this.

3. What belongs to you, but others use it more than you do?
Solution

Brain Teaser 5/17/2013

A history test had three questions on presidents of the United States. Here are the answers of six students:
1. Polk, Polk, Taylor.
2. Taylor, Taylor, Polk.
3. Fillmore, Fillmore, Polk.
4. Taylor, Polk, Fillmore.
5. Fillmore, Taylor, Taylor.
6. Taylor, Fillmore, Fillmore.
Every student answered at least one question correctly.
What are the correct answers?
Solution

Brain Teaser 5/16/2013

1. If today is Monday, what is the day after the day before the day before tomorrow?

2. The Lone Ranger rode into town on Friday. He stayed 5 consecutive days and left on Friday. How could this be?

3. George Washington's wife was sweeping when George Washington's wife slipped and got wet. How many w's in all?
Solution

Brain Teaser 5/15/2013

Which set of numbers would most logically fill in the blanks in the following series?
101 99 102 98 103 97 _ _ 105 95 104 94
(a) 101 98
(b) 104 96
(c) 106 99
(d) none of these
Solution

Brain Teaser 5/14/2013

In this type of verse, "first" and "second" and so on refer to the individual letters of a word. Find the correct letter for each definition or explanation, and complete the word.

My first is in sugar but not in tea
My second in swim but not in sea
My third in apple and also pear
My fourth in ring and also hare
My last in ten but not in herd
My whole a very complimentary word.
Solution

Brain Teaser 5/13/2013

It's About Time

1. If 2 hours ago it was as long after one o’clock in the afternoon as it was before one o’clock in the morning. What time would it be now?

2. It was the middle of the winter in Scandinavia, and the poor boy, sick with a cold, was lying in bed. He woke up in the night, but he knew that the night lasted from 3:00 P.M. to 9:00 A.M. at that time of year. The boy wearily glanced at his clock and, thinking it said 4:42, buried his head back in the pillow. But as he fell asleep he realized he hadn't distinguished the hour hand from the minute hand. If it wasn't 4:42 in the morning, what other time (or times) could it have been?
Solution

Brain Teaser 5/11/2013

Patty doesn't feel she is really a child anymore. Ten years ago, her mother was five times her age. Now she is three­sevenths of her mother's age, and in five years she will be half her mother's age. How old will she be when she is half her mother's age?
Solution

Brain Teaser 5/10/2013

1. With thieves I consort, With the vilest, in short, I’m quite at my ease in depravity; Yet all divines use me, And savants can’t lose me, For I am the center of gravity. Who or what am I?

2. I live above a star, but do not burn.
I have 11 friends that do not turn.
My initials are PRS.
What am I?
Solution

Brain Teaser 5/09/2013

Shopping can present a terrible dilemma, the new couple discovered. Three pounds of potatoes and two pounds of eggplants cost $2.25. Or they could just buy eggplants for the same amount of money and make a casserole out of all those eggplants. But potatoes are cheaper than eggplants. How much did potatoes cost per pound?
Solution

Brain Teaser 5/08/2013

 Numbers...

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. What are the two missing numbers in the series below?
_ _ 3 3 7 7 2 3 6 5
Solution

Brain Teaser 5/07/2013

The following is a new variation of an old friend. Though it looks rather complicated and difficult, it is absurdly easy if properly attacked. If a hen and a half lays an egg and a half in a day and a half; how many and a half who lay better by half will lay half a score and a half in a week and a half?
Solution

Brain Teaser 5/06/2013

Sabrina gave Samantha as many dollars as Samantha started out with. Samantha then gave Sabrina back as much as Sabrina had left. Sabrina then gave Samantha as back as many dollars as Samantha had left, which left Sabrina broke and gave Samantha a total of $80.00. How much did Sabrina and Samantha have at the beginning of their exchange?
Solution

Brain Teaser 5/04/2013

"About Time"

1. Two cyclists are racing around a circular track. Pierre can ride once around the track in 6 minutes, Louis takes 4 minutes. How many minutes will it take for Louis to lap Pierre?

2. A snail is at the bottom of a well 30 feet deep. It crawls up 3 feet each day, but at night, it slips down 2 feet. How long does it take for the snail to crawl out the well? 
Solution

Brain Teaser 5/03/2013

Tom is younger than Rose, but older than Will and Jack, in that order. Rose is younger than Susie, but older than Jack. Jack is younger than Jim. Susie is older than Rose, but younger than Jim. Jim is older than Tom. Who is the oldest?  
Solution

Brain Teaser 5/02/2013

1. If you reverse the digits of my age, you have the age of my son. A year ago, I was twice his age. How old are we both now?

2. If Susan is 10, Arabella is 20, and Jim and Neal are both 5, but Richard is 10, how much is Jennifer by the same system? 
Solution

Brain Teaser 5/01/2013

Bill, John, and Fred are going to marry Betty, Joan, and Sally. Tell which girl is going to marry which man if the following facts are true: Bill is a lawyer. Betty is not engaged to the engineer. The doctor's future wife is not Joan. John is engaged to Sally. Fred is the engineer.
Solution