Basic operations and concepts - math word problems - page 108 of 321
Number of problems found: 6401
- Repeating digits
There is a thousand one-digit number, which consists of repeating digits 123412341234. What remainder gives this number when dividing by nine?
- One hundred stamps
A hundred letter stamps cost a hundred crowns. Its costs are four levels - twenty-tenths, one crown, two-crown, and five-crown. How many are each type of stamp? How many does the problem have solutions?
- Competition
The competition organizers wanted to spend a large amount of money to pay for the competitors. One-third of this amount was spent on prizes and the remaining € 5,000 on diplomas. How much was committed for rewards?
- Seven tractors
Seven tractors plowed 308 ha field in four days. How many hectares of fields will plow nine tractors in 3 days at the same power?
- Box of chocolates
In a box of chocolates were 16 candies. Christopher and Luke were distributed: a) Christopher had about four candies over Luke, b) Christopher had about six candies less than Luke, c) Christopher had three times more sweets than Luke. How many had each bo
- Family and age ratios
The age of father and son is in the ratio 10:3; the age of father and daughter is in the ratio 5:2. How old are father and son if the daughter is 20? In what ratio is the age of sister and brother?
- Turtles Žofka and Julka
Gray wolf kept in his tent turtles Žofka and Julka together for 200 years. After 50 years, Julka will be two times older than Žofka. How old are the turtles?
- Multiply 2700
I think the number. If I add five and multiply the result by 7, I get 245. Which is it?
- Equation
Equation f(x) = 0 has roots x1 = 64, x2 = 100, x3 = 25, x4 = 49. How many roots have equation f(x²) = 0?
- Relationship 5198
There are m classrooms at the school. There are 36 chairs each in ten classrooms and 34 chairs each. Find the relationship you use to calculate the number of chairs in the school classroom. Calculate for m = @ m.
- Left-handed
There are 100 people in a room, 99% of whom are left-handed. How many left-handed people must leave the room to reduce this proportion to 98%?
- Original 66004
They reduced the shoes by CZK 132 to 85% of the original price. How much did they cost before the discount?
- Discounted 63084
The product was discounted by 15% and the price after the discount is 300 euros. How much did it cost before the deal?
- Smartphones 49533
The factory produced 2,420 pieces of smartphones in February. How many smartphones did they make in weeks 1 and 2, when they increased production by 20% in weeks 3 and 4?
- Shooting 47653
Members of the shooting circle hit the target 57 times during the shooting, which was 38% of the total number of shots. How many times did they fire in total?
- Lions
If eight lions are 40%, how many would 75% be?
- Following 34291
The following holds for two non-empty sets, A and B: A ∪ B has 16 elements, A ∩ B has 11 elements, and the set A - B is empty. How many elements does set B-A to have?
- Summands 6879
Divide the number 111 into three summands so that each is two larger than the previous one.
- One-third 6704
What time is it now that the time that has elapsed since noon is one-third of the time before midnight?
- Children 6303
A total of 56 children went on a trip to the pupils of the two fourth grades. That 4A was four pupils more than 4. B How many pupils from each class went on a trip?
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