Basic operations and concepts - math word problems - page 120 of 323
Number of problems found: 6446
- Roots and coefficient
In the equation 2x² + bx-9 = 0 is one root x1 = -3/2. Determine the second root and the coefficient b. - Milk
There were 22 liters of milk in three containers. There were 6 liters more in the first container than in the second. After pouring 5 liters from the first container into the third container, the same quantity of milk is in the second and third containers - Fraction product puzzle
Fraction 2/3 multiplied by such a fraction that the product is equal to 1 - Ice skates
The price of ice skates was raised twice, first by 25% and then by 10%. After the second price increase, their cost was 82.5 euros. What was the original price of the skates? - Ratio of Two Numbers
The ratio of the two natural numbers is 2:3. The smaller number in this pair is 12. Calculate the larger A number from this pair. - Girls
The children's competition was attended by 63 girls, which is 30% of all children's participants. How many children attended this competition? - Suzan
Susan's age will be after 12 years, four times as much as twelve years ago. How old is Susan now? - Rings - intersect
There are 15 pupils in the sporting ring. Ten pupils go to football, and eight pupils go to floorball. How many pupils go to both rings at the same time? - Tadeus
Tadeus and Jolana have a total of CZK 15. Jolana has half that of Tadeus. Nevertheless, Jolana has three coins and Tadeus 2. Which coin does Tadeus have, and which Jolan? - Unknown number 5
Daniel thinks of an integer. When he changed this number to a ratio of 2:5, he got the number 2.8. Determine what number Daniel thinks. - Price increase
A 20 percent price increase meant a 90-crown raise. How much cost a product after? - Bricks II
3/4 bricks weigh 6 kg and 2/3 bricks. How weighs one whole brick? - Three numbers
What are three numbers that have the property: the sum of the first and second numbers' reciprocals is 12/7, the first and third 11/24, and the second and the third 3/8. - Car value
The car loses value by 15% every year. Determine a time (in years) when its price will halve. - Daddy
Daddy is a 46-year-old, and his son is at the age of 16. When (which year) was/will daddy five times more years than his son? - Tram
In the three-part tram went 66 passengers in front of others, 48 after others and in the middle half. How many passengers went on the tram in total? - Chebyshev formula
To estimate the number of primes less than x Chebyshev formula is used: Pi(x) = 1.11 (x)/(ln x). Estimate the number of primes less than 30300537. - Elections
The elections attended a total of 1450 voters. First-day 48 men more than women, the second-day 16 women more than men. How many women attended elections? - Book
The printer used 4201 digits to number the pages of the thick book. How many pages does this book have? - House floor ratio
The house has two floors. Men and women live on each floor in such a number that their ratio is 3:2 on each floor. Five more people live on the second floor than on the first floor. How many women live on the second floor?
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