Reason - practice for 11 year olds - page 14 of 21
Number of problems found: 409
- Reappeared 3152
At 6:15, a ghost conjured a clock that showed the correct time. At that moment, the hands on the clock began to move at the correct speed but in the opposite direction. The ghost reappeared at 7:30 p.m. What time was the clock showing at this moment? - Mathematics 2980
More than 20, but less than 40 pupils go to 1.S. A third of the pupils wrote the mathematics test with a one, a sixth with a two, and a ninth with a three. No one got a high five. How many 1.S pupils wrote the test with a four? - Sum and rounding
I know two numbers whose sum is 20. When each round and then added together, I get the 30. What are these numbers? - Tablecloth
The table top is 90 cm long and 50 cm wide. How many cm of lace edging is necessary for the tablecloth that hangs on each side by 10 cm?
- Additional 2941
If the amount for the last text messages in one month with the mobile operator MOBY exceeds 14 euros (it costs 50 cents), each additional text message costs 13 cents. a) From what time does the price of a text message become 13 cents? b) How much does it - Together 2904
The father is 56 years old, and his sons are 25 and 19 years old. How long will the father be as many as his sons together? - Beginning 2879
Juro, Fero, and Mišo played bullets. In the beginning, everyone had the same number. In the first game, Juro won 4 bullets, and Fero 5 (that means Mišo lost nine bullets). In the second game, Mišo won 7 balls, and Fero lost four balls. In the third game, - Vegetables 2866
In the store, they had 5 times more cucumbers than carrots, which they had 9 kg. They had 5 times less parsley than cucumber, 7 times more onion than parsley, 27 kilograms less garlic than garlic than onion, and 9 times less broccoli than garlic. How many - Sunbathed 2861
There were more than 40 and less than 80 children by the pond. A fifth of the children took a bath, and a seventh sunbathed. How many children were at the pond?
- Originally 2859
The farmer expected to harvest ten times more corn than he sowed. After the harvest, he had 20,600 kg of corn in the granary, 1,500 kg more than he expected. How much corn did he originally see? - Single-digit 2805
Which two single-digit numbers have the sum and product of the same number? - Construction 2798
The truck driver drives bricks for construction. If he went three times a day, he would produce the bricks needed for construction in 12 days. How many times a day does he have to go to finish work three days earlier? - Creases 2795
Three punch cuts cost as much as two creases. How much does it cost if five punch cuts cost 2 euros 50 cents? - Digits of age
The product of the digits of Andrew's age six years ago is the same and not equal to 0. Andrew's age is also the youngest possible age with these two conditions. After how many years will the product of the digits of Andrew's age again be the same as toda
- Granddaughter 2789
Grandma and her granddaughter Barunka have a birthday on the same day. During six consecutive birthday celebrations, Grandma's age was always divisible by Barunka's age. How many birthdays did Grandma celebrate at the last of these six celebrations? Grand - Children's 2769
One children's ticket to the zoo costs €3. One ticket for an adult costs €6. Aunt Katka and Uncle Jano went to the zoo with the children. Uncle Jano paid for all the tickets at the box office. Aunt Katka then gave him €15 for herself and all the girls. Ho - Determine 2757
The sum of all divisors of a certain odd number is 78. Determine the sum of all divisors of twice this unknown number. What is an unknown number? - Octopuses 2755
Both octopuses have 112 tentacles. The pink octopus has 20 tentacles less than the yellow. How many tentacles does a pink squid have, and how many tentacles does a yellow squid have? - Two-fifths 2731
Barbora has already read 144 pages of the book. She has yet to read two-fifths of the pages of the entire book. How many pages does the whole book have?
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