Reason - practice for 8 year olds
Number of problems found: 34
- Arithmetic progressions.
Find the sum of all the numbers between 9 and 204, which is exactly divisible by 3. - Lilies 81910
There are twice as many pink water lilies in the pond as yellow water lilies, but twice as few as white water lilies. Which water lilies are the most and which are the fewest? How many times more white water lilies are there than yellow water lilies? How - Positive integer integral
How many different sets of a positive integer in the form (x, y, z) satisfy the equation xyz=1400? - Find two digits
Find the possible values of A and B if the six-digit number 2A16B6 is divisible by 4 and 9. Please write the result as a composed number. - Triangle from sticks
Bob the boulder has many sticks of lengths 3.5 and 7. He wants to form triangles, each of whose edges consists of exactly one stick. How many non-congruent triangles can be formed with the sticks? - Eight chairs
There are eight chairs by the table, and one more child sitting on each one. There are two times more girls than boys. How many girls and how many boys can there be? - Benches 18013
There are 12 benches in the park. Four people can sit on the bench. At least two people sit on each of them. How many and most people sit on benches? - The lift
The lift can fit four people. How many uphill rides must the lift make to move up 12 passengers? - Beginning 6710
Artisans build a fence 24M long. The posts are placed 3 m apart. We will also set the posts at the beginning and end of the fence. How many posts will be needed? - Oak forest
It takes 45 years to grow from Little oak Oak. How long will it take for an oak forest to grow out of 286 Little oaks? - Siblings 5964
Zuzka, Karin and Samko are siblings. Zuzka is 9 times older than Samko. Karin is nine years younger than Zuzka. How old is anyone if they are all under the age of 20? - Expensive 5658
An unnamed brand TV is the store's fifth most expensive and tenth cheapest TV. How many different TVs are there in the store? - Shipments 5620
If you know that a quarter of a mail order and 300 grams weigh the same as the whole shipment, then two such shipments weigh how many grams? - Neighboring 5081
Three neighboring hens lay 4 to 6 eggs in two days. How much will they bear in 10 days? How much will they bear in April? - Motorcycles 5024
You have 36 wheels and ten steering wheels. How many cars and motorcycles do you assemble? - Page numbering
The book has 88 pages. How many times is the number 4 used for the book numbering? - Animals 4776
There are five animals in the yard. There are only goats and geese. They have a total of 14 legs. How many geese and how many goats are in the yard? - Skoda cars
There were 16 passenger cars in the parking. It was the ten blue and 10 Skoda cars. How many are blue Skoda cars in the parking? - Goat, cabbage and wolf
A man once had to travel with a wolf, a goat, and a cabbage. He had to take good care of them since the wolf would like to taste a.piece of goat if he got the chance, while the goat appeared too long for a tasty cabbage. After some traveling, he suddenly - Orchard 4337
A total of 18 pears and apple trees grow in the orchard. Pears are two times less than apple trees. How many pears and how many apples?
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