Integer equation + natural numbers - practice problems
Number of problems found: 101
- Year 2018
The product of the three positive numbers is 2018. What are the numbers? - Cryptogram 73784
Solve the cryptogram (equation with letters, where the letter is one digit) Fot Bal ---- Cvik - Fifteen 5
Fifteen more than five times a number equals the difference between -57 and three times the number. Find this integer number. - Four-digit number
Find all four-digit abcd numbers with a digit sum of 12 such that ab-cd = 1 - Five number code
I have a five-digit code on the bag that I forgot. I remember that it was a symmetric number and the sum of its digits was 22. Write all the numbers that can be a code. - Bikes
Pepa asked Honza how many bikes he had. He replied that he had three-quarters of their total number and another three-quarter of one bike. So how many cycles does Honza have? - Diofant equation
250x + 120y = 5640 - Sinus
Determine the smallest integer p for which the equation 4 sin x = p has no solution. - Rectangles 22781
A bricklayer has 48 tiles. How many different rectangles will he assemble? - Three dices
What is the probability that the sum of points 14 will be a roll of three dice (B, M, Z)? - MATHEMATICS: 46893
Solving the problem, substituting letters with numbers in the word MATHEMATICS: MAT + EMA = TIK - Age
In 1960, my age was equal to the digits sum of the year of my birth. What is my age now? - One hundred stamps
A hundred letter stamps cost a hundred crowns. Its costs are four levels - twenty tenths, one crown, two-crown and five-crown. How many are each type of stamp? How many does the problem have solutions? - Multiply 80797
When I multiply two equal natural numbers, I get the same result as when I add them together. Which ones are they? - How many
How many different rectangles with integer side lengths have an area S = 60 cm²? - Cherries
Cherries in the bowl can be divided equally among 20 or 15, or 10 children. How many are the minimum cherries in the bowl? - Solutions 8481
For which integers x is the ratio (x + 11) / (x + 7) an integer? Find all solutions. - Dimensions 7912
How many blocks have integer dimensions of the edges of the surface is 48 m²? - Rectangles
How many different rectangles can be made from 60 square tiles of 1 m square? Find the dimensions of these rectangles. - Divisibility
Determine the smallest integer which divided 11 gives remainder 4. When divided, 15 gives remainder 10 and when divided by 19 gives remainder 16.
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