I have a bag containing 24 coloured balls. The colours are red, green and blue. There are twice as many red balls as green balls, and one more red ball than blue balls. How many balls of each colour are there? Answer10 red5 green9 blue
Little Johnny was trying to work out a Maths Magic problem his teacher had given him at school that day. He was having problems, so he asked his mom to help.The problem read, MAD + AS + A = BULL“Mom”, he said, “I need to use some of the numbers from 0-9 to work out
A man took a truckload of chickens to market. In the first hour, he sold one-half of his birds, plus one-half of a chicken. The next hour, he sold one-third of his remaining chickens plus one-third of a chicken. In the third hour, he sold one-fourth of what he had left, plus three-fourths of a
At Camp Brainy, all the campers get a camp logo baseball cap that is the colour of their choice. There are red, blue, yellow, black and green caps. The caps have just arrived in 3 cartons of 50 each. Two volunteers are unpacking them now. The first carton had just black caps. All but 15
In a party of 35 people, there are twice as many women as children and twice as many children as men. How many of each are there? Answer5 men, 10 children and 20 women.
Luke issued a challenge to his friend Bob. He asked him a question and gave him 4 simple clues as follows: 1. My age is 3 times as much as my brother’s.2. 4 years ago it was 5 times as old as my brother’s.3. Six years ago my age was 9 times that of my
For his breakfast, Mr. Stone likes an egg that has been boiled for exactly 9 minutes. He has two egg timers (those with sand in them), one that runs for 4 minutes and one that runs for 7 minutes. How can he use these timers to boil his egg? AnswerStart both egg timers. When the
Kevin and Smith are in charge of counting people who get on and off the lift. They take turns riding to the top floor and back down, counting as they go. After three such trips each morning noon and evening, there is an average taken.The hotel manager wants to know the days’ average. On Smith’s
Justin takes the underground train to work and uses an escalator at the railway station. If Justin runs up 7 steps of the escalator, then it takes him thirty seconds to reach the top of the escalator. If he runs up 13 steps of the escalator, then it takes him only twenty-one seconds to reach
Glenn and Jason each have a collection of cricket balls. Glenn said that if Jason would give him 4 of his balls they would have an equal number; but if Glenn would give Jason 4 of his balls, Jason would have 2 times as many balls as Glenn. How many balls does Jason have? AnswerJason
There is an apartment building on 4139 Main Street. There is a strange thing about floor 7 of this building. Everyone is a prime age! From the clues provided, can you decipher how old these residents are?In Suzy’s age, the digits have a sum of four. Seven years from now, Suzy’s age, when you add
Three types of monkeys—monkeys of the same type weigh the same—were amusing themselves in the jungle. By chance they found a small wobbly tree, where, by varying the amounts of monkeys on each side they could keep the tree in an upright position.They found out that:2 howler monkeys and 1 squirrel monkey on one side
Annabel, Cara, Graham, Jordy and Maddy went to Sally’s Sweet Shop for a treat. Menu:Ice-cream Sundae $2.65Double-scoop Cone $2.10Chocolate Fudge Cake $2.40Juice Float $1.00Chocolate Candy Animal $1.25Ice-cream Soda $2.25Each person got something different and each gave the cashier $3.00. Every item on the menu was purchased by someone in the group.Annabel got back 3 quarters,
Three travellers met at a lonely oasis. One had 3 loaves of bread, but no money; another had 5 loaves of bread, but no money; while the third had only money. They sat down to a meal and the kind travellers shared their bread equally among all 3. In the morning, the traveller with the
Three people picked 65 apples altogether. At the first tree, they each picked the same number of apples. At the second tree, they each picked 3 times as many as they picked at the first tree. When they finished at the third tree, the group had 5 times as many apples as they had when