The victims of a shipwreck were lost at sea. Due to strong waves they were all soon separated. Search parties quickly went out to find them. On the first day, 1/6 of the survivors were found. The next day, 1/5 of those still lost were found. On the third day, 1/4 of those still lost […]
A car travels at a speed of 30 mph over a certain distance, and then returns over the same distance at a speed of 20 mph. What is the average speed for the total trip? Answer24 mph. Most people are quick to answer 25 mph, but this is not correct, as we will see. Let
Rob the robot went to the candy-store to buy some candies. He found his favourite gums in front of him, in packages of 225 gums in each.Though extremely intelligent yet he is still a robot, thus capable of using only 1’s and 0’s.What is the minimum number of gums that Rob ate that day if
In the land of Clinkets, the local Winkets and Flinkets earn their wealth in stars, crescents and nuggets. Every 5 stars equals the value of 1 crescent. Every 5 crescents is worth 1 nugget.Chief Winket has 250 nuggets, 50 stars and 200 crescents.His counterpart, Chief Flinket, has twice as many crescents, 3 times as many
A hot dog vendor at a soccer game sells one half of his supply of hot dogs during the first half of the game. During intermission, he sells a total of five hot dogs. During the second half, he sells three-eighths of his original supply. He is left with only four hot dogs. How many
Once upon a time, an old lady went to sell her vast quantity of eggs at the local market.When asked how many she had, she replied:Son, I can’t count past 100 but I know that-If you divide the number of eggs by 2, there will be one egg left.If you divide the number of eggs
In the house of Mad Ade there is a strange room. In this strange room are 6 strange rugs and on each rug are 6 strange 6-legged tables. On each of the 6 strange 6-legged tables are 6 strange 6-legged creatures.How many legs are in the strange room of Mad Ade’s if there are no
Fifty minutes ago, it was four times as many minutes past 7 pm as the number of minutes it currently is until 10 pm.What is the current time? AnswerThe current time is 9:34 pm.Fifty minutes ago the time was 8:44, which is 104 minutes past 7:00.It is currently 26 minutes until 10 pm. 104 =
Last year, the average number of apples on each tree equalled the number of trees in the orchard. However this year, there were 640 less apples than the last year’s harvest. If the average number of apples per tree this year was 72, how many trees are there in my orchard?Please Note: No extra trees
Joe is trying to run away from the police. He runs at an average of 5 miles per hour. But sadly, the police cars go at 15 miles an hour. The sewer, which will lead him to freedom, is 20 miles away.How far is Joe from the police, assuming that when he reaches the sewer,
Mad Ade is stranded on a desert island (much to the relief of many). Other than just water, all he has to drink is a 20oz bottle of Cola.To conserve his luxury Cola he decides that on the first day he will drink one oz and then refill the bottle back up with water. On
There’s a cage with jungle animals and creatures. There are 11 heads and 20 feet. There are twice as many jungle creatures with four feet as there are jungle creatures with two feet. How many creatures of each are in the cage? Answer4 four-legged animals2 two-legged animals5 snakes
“I see you have a Madadian stamp there, from the legendary country of MADADIA. Very nice design, especially the picture of Crown Prince Mad Ade eating a kebab. Do you have any more?” asked Norma Leigh-Sober. “No. I did have a 3-wonk, a 9-wonk, a 10-wonk, a 12-wonk, a 13-wonk, and a 14-wonk stamp,” replied
A large freshwater reservoir has two types of drainage systems, small pipes and large pipes. 6 large pipes, on their own, can drain the reservoir in 12 hours. 3 large pipes and 9 small pipes, at the same time, can drain the reservoir in 8 hours. How long will 5 small pipes, on their own,
Some time after 2o’ clock, the angle made between the minute hand and the vertical (12) on a clock is double the angle made between the hour hand and the vertical (12). What time is it?HintWhat is the rate of travel of each hand on a clock? Answer2:24. The hour hand makes an angle of