Reason - practice for 12 year olds - page 13 of 29
Number of problems found: 573
- Grandchildren 5633
Michal's grandfather has 4 grandchildren. During this year's celebrations, he discovered that he is 7 times older than Michal, six times as old as Vašek, four times as old as Emil, and three times as old as Honza. This situation can only happen once in a - Double-digit 5631
Write how many double-digit numbers there are, which, if we multiply by four, we get the result ending in two zeros. - Train delay
The train should be at the station for 10 minutes. It still has 32 km left. What is the expected delay if the train travels in 2 minutes 3 km except for the last section 2 km in 5 minutes? - Something 5588
Honza receives pocket money and wants to buy something good with it. If he purchased four cakes, he would have CZK 5 left. If he wanted to buy five cakes, he would be 6 CZK short. If he had bought two pies and three doughnuts, he would have spent all his - Gardeners 5542
Three gardeners mow the meadow for a while. Four gardeners can do it half an hour earlier. How long will it take five gardeners to do it? - Suzan
Susan's age will be after 12 years, four times as much as twelve years ago. How old is Susan now? - Three-digit 5524
Six cards with digits 1, 2, 3, 4, 5, and 6 are on the table. Agnes made a six-digit number from these cards, divisible by six. Then she gradually removed the cards from the right. A five-digit number divisible by five remained on the table when she remove - Unknown numbers
The sum of two consecutive natural numbers and their triple is 92. Find these numbers. - Ľé sweets
There are 20 sweets in the bag. Some are chocolate, other coconuts, and the remaining marzipan. Chocolate is four times more than coconut. Marzipan's less than chocolate. How much is in a bag of coconut sweets? - Circumference of the garden
The garden is 90 m long. What is the smallest width if it is possible to walk (circumference) in steps of 80 cm or 50 cm? - Occupies 5461
What is the land area in reality if 1 cm² occupies on a 1:20000 scale map? - Inhabitants 5458
The population of the village rounding up to hundreds is 5600. Most how many inhabitants can live in this village? - The ball
Three friends go to buy a ball, and it costs 300 CZK. Everyone gives 100 CZK. Later, the seller finds out that the ball costs 250 CZK. He will send 50 CZK after the apprentice. The apprentice buys a snack for CZK 20. The shop will return 30 CZK to the boy - Passengers 5441
There are 36 passengers on the bus. There are seven women more than men and 22 children less than adults. How many men, women, and children are on the bus? - One-quarter 5440
They delivered goods to four stores. First, they collected one-third of the shipment, second only two-thirds of what happened in the first. In the third, one-quarter of the rest, and the fourth, the remaining 240 kg. How much did they make at each store? - Remainder
A is an arbitrary integer that gives remainder 1 in the division with 6. B is a random integer that provides the remainder with division by two. What makes remainder in a division by three products of numbers A x B? - Difference 5419
Peter said to Paul: "Write a two-digit natural number with the property that if you subtract from it a two-digit natural number written in reverse, you get the difference 63. Which number could Paul have written?" Specify all options. - 123412341234 5415
There is a thousand one-digit number, which consists of repeating digits 123412341234. What remainder gives this number when dividing by nine? - Warmer weather
This morning it was -6 °C. What temperature did the thermometer show yesterday if it was three times warmer? - Children 5352
father + mom = children How much does the task have to be solved?
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