Maths Brain Teasers for Kids

A shop sells apples at $1 each. Each of these apples is wrapped in a special wrapper. You can trade 3 of these wrappers for 1 apple.If you have $15, how many apples can you get altogether? Answer22 apples.Firstly, you can get 15 apples.Trade the wrappers to get 5 more apples.Trade again and you’ll have […]

Fred had just started work in Hotel Plush and was dealing with a demanding but important guest. “Pour my coffee, boy! I want exactly 200ml coffee to which you will add enough full cream milk to make it 20% milk. Do it correctly and you may go about your other duties; if you get it

Dave, the janitor of an apartment block, notices that the boiler pressure is rising, and will shortly explode.He phones two of the residents, tells them the news, asks them to do the same and phone just two more people, and then get out of the building.Assume that each of the residents is in, and answers

Felipe’s school is hosting a Maths competition against other schools in the same district. Each school can only allow 10 students to compete. Felipe and his classmates are taking tests to determine the 10 best Maths students to send. Felipe did well, but tied with John Roy for the last spot. His teacher decided to

Recently Mr. And Mrs. Crazy have heard the news about the petrol shortage. The king has introduced to the villagers petrol rationing according to the following system, based on the 3-digit number of each number-plate (000 to 999) of the cars in the village.People could only buy petrol on certain days as follows:Sunday: if each

Your assignment is to make a delivery from the depot to your base camp, 1600 miles away. The trip begins normally, but unfortunately, halfway to base camp, your supply truck breaks down. You have no way to call for help. Luckily, in addition to medical supplies, the truck is carrying a Desert Patrol Vehicle (DPV)

A rich old Arab has three sons. When he died, he willed his 17 camels to the sons, to be divided as follows: First Son to get 1/2 of the camels,Second Son to get 1/3rd of the camels,Third Son to get 1/9th of the camels. The sons are sitting there trying to figure out how

Your objective is to buy exactly 100 farm animals with exactly 100 dollars. You must buy at least 1 of each animal. You may need some paper!The Costs:Cows: $10 eachPigs: $ 3 eachChickens: $0.50 each Answer5 cows=$501 pig=$394 chickens=$47100 animals=100 dollars

Fill the eight spaces below with numbers from 1 to 8. No number that comes before or after any other number should be placed in an adjacent space, either horizontally, vertically or diagonally.(For Example, 2 should not be next to the number 1 or the number 3)The arrangement of the space is _ _ *

The hare and the tortoise had to take a make-up class in Maths over summer, a two-month, self-paced course with a test at the end of each of 12 chapters. The course requires a 70% grade to pass. In the first month, they both had difficulties with the concepts. The hare averaged 60% on his

Assume the ladder is NOT an extension ladder.A 25 ft ladder is placed with its foot 7 ft away from a building. If the top of the ladder slips down 4 ft, how many feet will the bottom slide out? Answer8 ftFirst triangle: 7 squared + 24 squared = 25 squared, so the top of

It was going to be another really hot day, but Ted needed a new pair of cool sunnies* before he could hit the surf. He needed another $52 to buy the ones he wanted.Ted decided to sell home-made smoothies at his gate: $2 each, or three for $4. He had the $52 after selling 32

While Christmas was shopping, I chose a gold ring set with stones for my mother.A ring set with 2 rubies and a diamond would have cost £3,000. One set with 4 amethysts and a diamond would come to £2,000. And 3 emeralds, 1 amethyst and a diamond would be £1,400.Being a thoughtful son, I chose

If 125207 is “Hi”, and 031993121212 is “Dude”, then 125207031993121212 is “Hi Dude”.Then what is799717777010909230151693122001983? AnswerIt’s “You Are Great”.Separate the numbers into groups of three, and then add up the three numbers. The total amount will point to a certain letter, and if you continue doing it until all numbers are used, it’ll form the

A firefighter stood on the middle rung of a ladder, spraying water on a burning house. He then climbed up 6 rungs before the heat of the flames caused him to come down 10 rungs. After some minutes he was able to climb 18 rungs to the very top of the ladder. How many rungs