Grade - math word problems - page 105 of 953
Number of problems found: 19049
- First test
20 questions are prepared for a test. 3 questions are selected from them for the first test and then returned to the list. What is the probability that when selecting questions for the second test, the same 3 questions will be chosen as for the first? - Three colleagues
Three colleagues divided the proceeds from an investment in proportion to their contributions. Bob received half as much as Olivia and also 4,000 CZK more than John. Olivia received 10,000 CZK. What was the total return on the investment? - Pirates
Pirates captured 1 tonne of gold and hid it in 25 barrels. How many more barrels would the pirates need if they transported only 25 kg of gold in each barrel? - Sweets 27
Vince and Luke together paid 52 CZK for a bag of 26 sweets. They divided the sweets fairly according to how much each had paid. Vince paid 20 CZK. How many sweets did Luke get? - Maroš
Mark draws two cards from a deck of Mariáš cards (32 cards). What is the probability that he draws a seven or an ace, but not the green seven? - Force gauge 2
A force gauge measured a gold necklace as Fg = 0.48 N in air and Fw = 0.45 N in water. Is it made of pure gold? - Flower - permutations
At a flower shop, there are 5 different kinds of flowers: tulips, lilies, daisies, carnations, and roses. There are also 3 different colours of vases: blue, green, and pink. If one kind of flower and one colour of vase are selected at random, what is the - Checkouts
When 4 checkouts are open in a supermarket, customers wait in line for an average of 12 minutes. By how many minutes does the waiting time increase when one checkout is closed? - At Junior's
A pizzeria offers pizza with tomato and cheese as a base. If a customer wishes, they may add toppings from the following options: ham, mushrooms, corn, and onion, each ingredient at most once. Every pizza is available in three sizes: small, medium, and la - Electrical 11
An electrical device produces 4.2 MJ of work per hour at an efficiency of 53%. What is the power input of this device? - Goalkeeper - success rate
Calculate the save percentage of a hockey goalkeeper who saved 30 out of 32 shots on goal during a match. - A car license plate
A car licence plate consists of one letter (out of 26) and six digits. How many different plates can be formed if the letter is always in the second position and cannot be adjacent to a zero? - Runner 6
A runner runs the first lap of a circuit at an average speed of 5 km/h. At what speed must she run the second lap so that her average speed for both laps combined is 10 km/h? - AP - sum15
Calculate the sum of the first 15 terms of the arithmetic sequence if a₁ = 5 and d = −3. - Rent increase
Calculate how much rent should be increased each year to keep pace with annual inflation of 7%. The rent in the first year is €550. Calculate the correct rent for each of the first 5 years so that the real value of the rent remains constant. - Calculate 258
Calculate the volume and surface area of a prism with a trapezoidal base and a height of 9 cm. The base is an isosceles trapezoid with parallel sides of 3 cm and 6 cm, legs of 2.5 cm, and a height of 2 cm. - 3 squirrels
We went on a trip to the Beskydy Mountains. On the first day, we saw 3 squirrels and walked 14.3 km. On the second day, we walked more slowly to see more squirrels, so we only walked 8.25 km. On the third day, a squirrel hit Frank on the head with a pine - Cake 3
A cake weighs 2 3/5 kg. What is the total weight of 8 such cakes? - Beekeeper 2
A beekeeper has more than 190 kg and less than 200 kg of honey. If he divides it into 8 kg jars, 3 kg remain. If he divides it into 7 kg jars, how many kg remain? How many kg of honey does he have? - MDZ - theater
There are 798 men, women, and children in a theatre. The number of men is twice the number of women. The number of women is twice the number of children. How many men, women, and children are there?
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