Latest word problems
Discover the latest math problems and word problems designed to deepen your understanding of mathematics. Solutions are explained simply and clearly so that everyone can follow along. Regular practice is the best way to succeed at school and in entrance exams. New problems are added every day — come back and practice more.Number of problems found: 108
- First test
20 questions are prepared for a test. 3 questions are selected from them for the first test. They are 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 fairly according to the size of their contributions. Bohumil received twice less than Olívie and at the same time 4,000 CZK more than Jan. Olivia received 10,000 CZK. What was the total return on th - Pirates
Pirates captured 1 tonne of gold and hid it in 25 barrels. How many more barrels would the pirates need if they transported 25 kg of gold in each barrel? - Sweets 27
Vašek and Lukáš together paid 52 CZK for a bag of 26 sweets. They divided it fairly according to how much each contributed. Vašek paid 20 CZK. How many sweets did Lukáš get? - Maroš
Maroš 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 the force of a gold necklace as Fg = 0.48 N in air and Fvz = 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 colors of vases to hold the flowers: blue, green, and pink. If one kind of flower and one color of vase to hold them are t - Checkouts
When 4 checkouts are open in a supermarket, people wait in line for an average of 12 minutes. By how much does the waiting time increase when one checkout is closed? - At Junior's
A pizzeria offers pizza with tomatoes and cheese. 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 made in three sizes: small, medium and large. How many d - Electrical 11
An electrical device produces 4.2 MJ of work per hour at an efficiency of 0.53 (53%). What is the power input of this device? - Goalkeeper - success rate
Calculate the success rate of a hockey goalie who saved 30 out of 32 shots at his goal during a match. - A car license plate
A car license plate consists of one letter (out of 26) and six numbers. How many of these numbers can be formed if the letter is always in second place and cannot be adjacent to zero? - Runner 6
A runner runs the first lap of a circuit at an average speed of 5 km/h. At what speed must the second lap of the same circuit be run so that the average speed of both laps is 10 km/h? - AP - sum15
Calculate the sum of the first 15 terms of the arithmetic sequence if a1=5, d=-3 - Rent increase
Calculate how much the rent should be increased for the tenant to cover inflation of 7% per year. The first year, the rent is 550 euros. Calculate the correct rent for the first 5 years so that you have the same rent in "loaves". - 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 bases of lengths 3 cm and 6 cm and arms of length 2.5 cm. The height of the base is 2cm. - 3 squirrels
We were 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 Franta on the head with a pine - Cake 3
A cake weighs 2 3/5 kg. What is the weight of 8 cakes? - Beekeeper 2
The beekeeper has more than 190 kilos of honey and less than 200 kilos. If he divides it into 8-kilogram bottles, he rest 3 kilos. If he divides it into 7-kilogram bottles, he he rest kilos. How many kilos of honey does he have? - MDZ - theater
There are 798 men, women, and children in the theater. 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 were there?
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