Basic operations and concepts - math word problems - page 230 of 323
Number of problems found: 6446
- Finishing Tasks Earlier
Nine-year-old Lucia is preparing for testing. He solves a collection of 40 tasks per day. He will need 9 days to solve all the tasks. How many days earlier would she finish if she solved 60 tasks a day? - Current wire resistance
The current I = 4A branches into three wires with resistances R1 = 2Ώ, R2 = 5Ώ, R3 = 10Ώ. Calculate the total resistance of the connection and the voltage of the source. How big are the currents in each wire? - Two boats
The sightseeing boat sailed at 25 km/h. The cruise takes 6 hours. How long does another boat sail at 60 km/h? - Skiing meeting
Four friends came to the skiing meeting from 4 world directions and led the next interview. Charles: "I did not come from the north or from the south." Mojmir: "But I came from the south." Joseph: "I came from the north." Zdeno: "I come from the south." W - Supermarket cashiers
When only two checkouts are open in a supermarket, people wait in line for an average of 12 minutes. If three more ticket offices are opened, how much will the average waiting time in line be reduced? - Simple interest 4
Find the simple interest if 7134 USD at 4.2% for 188 days. Assume a 360-day year. - Triangle line ratio
The line p passes through the center of gravity T of the triangle and is parallel to the line BC. What is the ratio of the area of the divided smaller part of the triangle by the line p? What is the area of the triangle? - Hexagon
There is a regular hexagon ABCDEF. If the area of the triangle ABC is 10, what is the area of the hexagon ABCDEF? I do not know how to solve it simply.... - Probability - target
A target is divided into two zones. The probability that the shooter will hit zone 1 of the target is 21%; that he will hit zone 2 of the target is 48%. What is the probability that the shooter will hit the target? - Train Set Markings
For shorter distances, small train sets are marked with three different letters from the company name run; how many small sets can be marked like this? - Bag error probability
There are 10 bags displayed in the store, 2 of which have a hidden error. Buyers randomly choose one bag. Express in percentages the probability that they will buy the bag without a mistake. - How many 23
How many times should a dice be rolled to obtain a most likely number of 2 points on it to be equal to 32? - Balls in row
Calculate the number of ways of placing four black balls, four turquoise balls, and five gold balls in a row. - Round table
Eight people are sitting at a round table. In how many ways can they be seated around the table? - Gold, silver, bronze
How many ways can we divide gold, silver, and bronze medals if six people compete? - Birth
Let's assume that the probability of the birth of a boy and a girl in the family is the same. What is the probability that the youngest and oldest child in a family with five children is a boy? - Three-digit numbers
Use the number 4,5,8,9 to write all three-digit numbers without repetition. How many such numbers are there? - Digits
How many five-digit numbers can be written from numbers 0.3,4, 5, and 7 divided by 10, and digits are repeated? - Tricolors
From the colors - red, blue, green, black, and white, create all possible tricolors. - Cards
Suppose that are three cards in the hats. One is red on both sides, one of which is black on both sides, and a third one side red and the second black. We randomly pull out a hat on one card and see one side of it is red. What is the probability that the
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
