An insurance salesman knocks at the door of a house. He asks the lady about her family and wishes to know the ages of her children. She informs him that she has 3 children but does not wish to disclose information about them to a complete stranger. So, he asks for a clue.She tells him […]
Joe needed a rope 80 feet long. He went to a local hardware store, but found that they did not have ropes nearly that long. They had only 3′, 5′, 12′, and 20′ segments of rope. Joe would have bought only 20′ segments, as they were the cheapest per foot; unfortunately, they had such a
You have two vertical poles. One stands at 6ft. 6in, the other at 7ft. 7in. From the top of each pole tie a string to the bottom of the other pole.At what height do the two strings cross? Answer42 inches.You multiply the height of the two poles and then divide that by the sum of
Detective Grant was inspecting the scene of the crime. The 50-year-old victim, Joe, had been poisoned by a candy containing cyanide. On the table surrounding him were 9 other candies, but none of them contained cyanide. This murder was highly suspicious, because Joe had just got off a 2-yr jail sentence. Grant was very puzzled,
A fruit vendor had a basket of oranges. A customer approached him and purchased one half of the oranges plus half an orange. A second customer came and purchased one half of what he had left plus half an orange. A third customer bought one half of what was left plus half an orange, leaving
Three co-workers would like to know their average salaries.However, they are self-conscious and don’t want to tell one another their own salaries, for fear of either being ridiculed or getting their houses robbed. How can they find their average salaries, without disclosing their own salaries? AnswerGuy 1 adds a constant to his salary and tells
“I’ve always been 45 years older than your Dad,” said Grandma to young Trickle, “But now the two digits in my age, both prime, are the reverse of the two in your Dad’s age.” How old is Grandma? AnswerGrandma was 72 years old. Let the two digits be A and B. Then 10A+B-10B-A=45 so 9(A-B)=45.
Jen, Paula and Sarah had spent the week decorating an elderly neighbour’s house, for which they earned £500 among them. When it came to dividing up the money Paula claimed she had worked three times harder than Jen, and Sarah had worked twice as hard as Paula. If the money was divided fairly, how much
A man goes into a hardware store to purchase some knobs. To purchase one knob you must pay a minimum of 4 U.S. coins. Two knobs can be purchased with a minimum of 6 U.S. coins. 3 knobs require a minimum of 2 U.S. coins. How much does one knob cost? U.S. coins include: a
Tom’s birthday is exactly 4 weeks later, and today is his birthday with month and day reversed.What is Tom’s birthday? AnswerIt’s easy to say that the month and day must differ by 1.Furthermore, if their difference is 1 then the previous month must have 1 day more than 28, which is February in a leap
There is a racehorse that has won so many prestigious races; many fans come to admire him each day. One day, the owners of the horse were interviewed by a newscaster. The interviewer asked how many people there were today to admire the horse. The owner’s reply was as follows: “Twelve times the amount of
At one time, the Canadian and US dollars were discounted by 10 cents on each side of the border (i.e. a Canadian dollar was worth 90 US cents in the US, and a US dollar was worth 90 Canadian cents in Canada). A man walks into a bar on the US side of the border,
Pretend you have two faucets for your shower, one that releases hot water and one that releases cold water, but at varying pressures. If the hot water is 105 degrees Fahrenheit and the cold water is 45 degrees Fahrenheit, and you could rotate the faucet at most 360 degrees, how much would you have to
When I add 6 times my age 6 years from now to 7 times my age 7 years from now, I get 14 times my current age. How old will I be 3 years from now? Answer88
Matthew walks up and down a hill which is three kilometres each way. His dog, being slower, walks at half the speed. When Matthew reaches the top of the hill, he turns around and walks down to meet his dog part way. Matthew continues walking to the bottom of the hill maintaining his speed. The