Numbers - math word problems
Number of problems found: 1462
On the circus performance was 150 people. Men were 10 less than women and children 50 more than adults. How many children were in the circus?
- Dinning room
How many different combinations can we choose if there are 3 soups, 5 kinds of main dish and 2 desserts in the dining room?
How many different ways can the cashier payout € 310 if he uses only 50 and 20 euro banknotes? Find all solutions.
Alley measured a meters. At the beginning and end are planted poplar. How many we must plant poplars to get the distance between the poplars 15 meters?
Mum bought 16 cartons of milk. One carton of milk weight 0.925 kg. How many weight all purchase?
- Children in the classroom
How many children are in the classroom, where Ladislav is 10th lightest and 16th heaviest in class?
The sum of two numbers is 32, the sum of their logarithms (base 10) is 2.2. Determine these numbers.
- Pages counting
There are pages numbered from 2 to 104 in the book. How many digits have to be printed to number the pages?
How high is the building that throws horizontal shadow 95.4 m long at angle 50°?
What is the smallest length of flowerbeds we have to prepare to plant seedlings at grid 20,30,25,40 cm?
We will throw two dice. What is the probability that the ratio between numbers on first and second dice will be 1:2?
- Infinite decimal
Imagine the infinite decimal number 0.99999999 .. ... ... ... That is a decimal and her endless serie of nines. Determine how much this number is less than the number 1. Thank you in advance.
- Self-counting machine
The self-counting machine works exactly like a calculator. The innkeeper wanted to add several three-digit natural numbers on his own. On the first attempt, he got the result in 2224. To check, he added these numbers again and he got 2198. Therefore, he a
- Honored students
Of the 25 students in the class, 10 are honored. How many ways can we choose 5 students from them, if there are to be exactly two honors between them?
In the bowl are plums. How many would be there if we can divide it equally among 8, 10 and 11 children?
- Wire D
Wire length 1 m is bent so that it forms a semicircle circuit (including the diameter). Determine the radius of the semicircle.
- Numbers division
With what number should be divided mixed number 2 3/4 to get 11/12?
- Red diplomas
He numbers of students with honors in 2013 and 2014 are in ratio 40:49. How big is the year-on-year percentage increase?
Alena collected 7.8 kg of blueberries, 2.6 kg of blackberries, and 3.9 kg of cranberries. Express the ratio in the smallest natural numbers in this order.
The farmer farming 293 ha of arable land and the remaining 20% are meadows and pastures. How much land farmer owns?