Basic operations and concepts - math word problems - page 127 of 332
Number of problems found: 6633
- Pupils
There are 27 pupils in the classroom. They can swim 21 and ski nine pupils. Neither swim nor ski three pupils. How many pupils can swim and ski? - Unknown number percentage
5% of the unknown number is 224 less than 25% of the unknown number. - Vehicle assembly
You have 36 wheels and ten steering wheels. How many cars and motorcycles do you assemble? - Function domains
Specify function domains: a / y = 2x-1 b / y = 5x / (2x + 1) c / y = x² / (x²-9) - Factorial equation
Determine the value of x in this equation: x! · 4 = x³. x is a natural number. - Percentage calculation
0.6 percent of n is 18. calculate n. - Number calculation
Find a number from which 5% is as many as 7% out of 45. - Students in a Class
The ratio of boys to girls in a class is 3:5. How many students are there in the class if there are 15 girls? - Fresh Plums for Dried
From 2 kg of fresh plums, we get 400 g of dried plums. How many fresh plums do you need for 2 kg of dried? - Number ratio subtraction
I think two numbers. Their ratio is 5:7. If 3 is subtracted from the first and 7 from the second, then the ratio is 6:7. What number was I thinking? - Function definition field
Determine the definition fields of functions: y=4/x (written as a fraction) - Ratios equation
Find the number x so that: 1:x=4:100 - Number product fraction
What number, when multiplied by 3/5 for the product to be 1? - No solutions
Why does the equation 9-2x-9-16x=-14x-7-4x-11 have no solutions? - Lions
If eight lions are 40%, how many would 75% be? - Unknown number percentage
27% of the unknown number is 12 fewer than 33% of the same number. Find an unknown number. - Chocolate and biscuit
Chocolate is twice as expensive as a biscuit. It costs CZK 8 more. How much is chocolate, and how much is a biscuit? - Boys school count
Two-thirds of boys are in sports school. How many boys are there in school if there are 212 girls? - Four-digit number
Find all four-digit abcd numbers with a digit sum of 12 such that ab-cd = 1 - Unknown Number Increase Percent
If you increase the unknown number by 14 percent, you get the number 136.8. Find an unknown number.
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