System of equations + natural numbers - math problems
Number of problems found: 55
- Unknown numbers
The sum of two consecutive natural numbers and their triple is 92. Find these numbers.
- Two numbers 7
The sum of two consecutive even numbers is 30. Find the numbers.
- Odd numbers
The sum of four consecutive odd numbers is 1048. Find those numbers ...
The perimeter of a rectangle is 90 m. Divide it into three rectangles, the shorter side has all three rectangles the same, their longer sides are three consecutive natural numbers. What is the dimensions of each rectangle?
- Two unknown numbers
One number is 2 less than a second number. Twice the second number is 14 less than 5 times the first. Find the two numbers.
Solve algebrogram for sum of three numbers: BEK KEMR SOMR ________ HERCI
- Two-digit number
Digit sum of thinking two-digit natural number is 11. When it exchanging a sequence of digits, given a number which is 27 less than the thinking number. Find out which number I think.
The sum and the product of three integers is 6. Write largest of them.
Divide number 135 into two additions so that one adds 30 more than 2/5 of the other add. Write the bigger one.
Solve algebrogram: mama+anna=vari How many solutions are?
- Large family
I have as many brothers as sisters and each my brother has twice as many sisters as brothers. How many children do parents have?
In the arithmetic sequence is given: Sn=2304, d=2, an=95 Calculate a1 and n.
In 1960 my age was equal to the digits sum of the year of my birth. What is my age now?
- 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
Michal said to Martin: give me one ball and I'll have twice as you. Martin said: give me 4 and we will have equally. How many balls each have?
- Unknown number 10
Number first increased by 30%, then by 1/5. What percentage we've increased the original number?
- Two houses
There are twice as many people living in the first house as in the second house. Altogether, there are 81 of them living in both. How many people live in each house?
- Tourist cottage
The tourist cottage has 11 rooms for 16 guests, some of them are doubles, some singles. How many are double rooms and how many are single rooms?
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?
- Four integers
Fnd four consecutive integers so that the product of the first two is 70 times smaller than the product of the next two.
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