The answer to last week’s challenge is, Q: During World War II, the mathematician Abraham Wald was asked to help with determining which parts of the allied forces’ planes must be armored better. After examining the surviving American planes, he noticed that ... Read More

### 30

###### Apr2021

The answer to last week’s challenge is, Q: A man is sitting in his cabin in Sydney. Three hours later he gets out of his cabin in Melbourne. How is this possible?
A: The man is a pilot and he is sitting ... Read More

April 30, 2021admin

### 23

###### Apr2021

The answer to last week’s challenge is, Q: What has a mouth, but cannot eat; moves, but has no legs; and has a bank, but cannot put money in it?
A: A river.
This week’s challenge is:
Q: A man is ... Read More

April 23, 2021admin

### 16

###### Apr2021

The answer to last week’s challenge is, Q:You are sitting in a rowboat on a small lake. You have a brick in your boat. You toss the brick out of your boat into the lake, where it quickly sinks to the bottom. Does ... Read More

April 16, 2021admin

### 29

###### Jan2021

In an initiative to foster critical and creative thinking in children, Edward deBono is calling for your child's original idea for a "Dog exercising machine". Open for children aged 4-14. Prizes will be awarded to participants in a number of age categories. Some ... Read More

January 29, 2021admin

### 13

###### Nov2020

The answer to last week's challenge is, Q: I am the beginning of sorrow and the end of sickness. You cannot express happiness without me yet I am in the midst of crosses. I am always in risk yet never in danger. ... Read More

November 13, 2020admin

### 30

###### Oct2020

The answer to last week's challenge is, Q: A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in ... Read More

October 30, 2020admin

### 23

###### Oct2020

The answer to last week's challenge is, Q: I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a ... Read More

October 23, 2020admin

### 25

###### Sep2020

The answer to last week's challenge is, Q: At the cinema box office, a man gave $100.00 and received 5 tickets in return. No verbal or any other type of communication was exchanged between them. How did the ticket seller know that ... Read More

September 25, 2020admin

### 18

###### Sep2020

The answer to last week's challenge is, Q: Can you name out load, 5 days in a week without using the names of the days of the week or numbers of any kind?
A: The day before yesterday, yesterday, today, tomorrow and ... Read More

September 18, 2020admin

### 11

###### Sep2020

The answer to last week's challenge is, Q: There are two identical jars, one containing 1 bacteria and the other 2 bacteria. Each bacteria reproduces itself every second. The first jar with one bacteria, fills in 60 minutes. How long will it take ... Read More

September 11, 2020admin

### 04

###### Sep2020

The answer to last week's challenge is: Q: A father had 7 daughters. Each of the daughters had one brother. How many children did the father have?
A: 8. Each girl's brother is the brother of all of them.
This week's challenge ... Read More

September 4, 2020admin

### 28

###### Aug2020

The answer to last week's challenge is: Q: There are three sealed jars of apples. The first jar contains sour apples, the second jar contains sweet apples, and the third jar contains apples of both varieties. But the labels on each jar are ... Read More

August 28, 2020admin

### 21

###### Aug2020

The answer to last week's challenge is: Q: Three coins are placed side by side in a row touching each other. The leftmost one A, the middle one B and the rightmost C. How can you move A so that it will be ... Read More

August 21, 2020admin

### 07

###### Aug2020

The answer to last week's challenge is: Q: A young lad is playing around on the emergency ladder of his parent's boat. His leg gets tangled in one of the rungs and he is left dangling above the water with his head 2.5 ... Read More

August 7, 2020admin

### 31

###### Jul2020

The answer to last week's challenge is: Q: Two flexible wicks have been formed into torches. Each can burn exactly 60 minutes, but at a rate that is neither uniform nor predictable. How can you tell when 45 minutes have elapsed if you ... Read More

July 31, 2020admin

### 24

###### Jul2020

The answer to last week's challenge is: Q: How many times does the digit 3 appear between 1 and 50?
A: 15 times. 3, 13, 23, 30 31, 32, 33 (two 3's), 34, 35, 36, 37, 38, 39 & 43.
This week's challenge ... Read More

July 24, 2020admin

### 17

###### Jul2020

The answer to last week's challenge is: In a balloon off the coast of Ireland, I dropped two wine bottles off the side. One was full and one was empty, which one hit the ground first?
A: Neither hit the ground as ... Read More

July 17, 2020admin

### 10

###### Jul2020

The answer to last week's challenge is, Q: If four boys can pick four apples in four minutes, how many boys would be able to pick 100 apples in 100 minutes?
A: Four. As a team, can can on average, pick one ... Read More

July 10, 2020admin