There once was a man who liked to pick apples from his big old apple tree. On the first day he picked 1 apple, on the second he picked 2 apples, on the third he picked 4 apples. On the fourth he picked 8 apples. If this pattern continues, then how many days will it […]
The Snapsville Town Council decided to have some fun with numbering the houses in Snaps Street which was in a new residential development in the town. For reasons known only to the Council, they elected not to use house numbers that were the multiples of 3 or 4. If the last house on Snaps Street
A butler is promised $100 and a cloak as his wages for a year. After 7 months he leaves this job, and receives the cloak and $20 as his payment. How much is the cloak worth? Answer$92
Mad Ade’s office is on the 3rd floor of the “Multinational Kebab and Lard Insurance Company” building. Though there is a lift yet, he likes using the big circular staircase. He goes up the stairs 2 at a time (to get more exercise) but is annoyed that there is always just 1 stair left over
Jane has twenty bills in her wallet. She has a total of $80. If she has two more $5 bills than $10 bills, and four more $1 bills than $5 bills, how many bills of each does she have? AnswerShe has:ten $1 billssix $5 billsand four $10 bills
A tennis championship is played on a knock-out basis (i.e. a player is out of the tournament when he loses a match).(a) How many players participate in the tournament if 63 matches in total are played?(b) How many matches are played in the tournament if 28 players in total participate?AnswerThe final: total matches = 1
Lester saw a number of men, dogs and spiders in a group. When he counted the number of legs of all of them in the group, he found them to be 420. He knows that the number of dogs in the group is double the number of men and the number of spiders is double
Two cars race around a circular track, in opposite directions, at constant rates. They start at the same point and meet every 30 seconds. If they move in the same direction, they meet every 120 seconds. If the track is 1800 metres long, what is the speed of each car?Hint1)Let x = rate of car
A cunning farmer, when asked how many sheep he has, replied, “One-third of my sheep are in the barn, and one-fifth are in the pasture. Three times the difference between these two numbers equals the amount of newborns. My daughter has one as a pet.”How many sheep does the farmer have? Answer15.5 in the barn,
The local CD shop operates an unusual discount policy. The discount on the next purchase is worked out on the current purchase in the following way: for every whole dollar spent you get 0.5% discount on the next purchase. For example, if you purchased $8.99 on the first purchase, you would then get a 4%
Sarah, Daniel, Megan and Shawn are each collecting Terrible Toby, Jumping James and Super Scout comic books. Together they have 100 comic books and everyone has at least one. Daniel has 3 times as many as Megan. Sarah has twice as many as Daniel and Shawn has fewer than 40.Who has the most comics? AnswerSarah
With a blank ruler (without marks) of exactly 13 cm you can only measure 13 cm. Now you are allowed to set 4 marks so that you may read off all full centimetre values from 1 to 13 cm directly from the ruler.Where must these 4 marks be?Much harder question:The blank ruler has a length
My computer has been up to its usual tricks again. I wanted to know the population of some major countries and here are the results:USA 1,30,000England 4,10,000France 3,40,000Peru 2,00,000Brazil 3,40,000Greece 3,00,000Japan 2,70,000How many people were listed as living in Tibet? Answer270,000 people.Each vowel is worth 3 and each consonant is worth 7; these are added
Jeff has a bunch of coins. Figure out how many coins he has using only these facts:He puts an equal amount in each of 9 bags and has none left over.He puts an equal amount in each of 6 bags and has none left over.He puts an equal amount in each of 5 bags and
Glenn’s step is 4 fifths of that of his father’s and he walks 30 steps in a minute.Glenn’s sister, Melanie has a step which is 3 quarters of Glenn’s and walks 25 steps in a minute.Glenn’s mother has a step which is twice the size of Melanie’s and walks 20 steps in a minute, but