Natural numbers + reason - practice problems - page 14 of 28
Number of problems found: 543
- Two numbers
One number is 79 more than the other. If we divide the larger number by the smaller one, we get the quotient five and the remainder 11. Determine both numbers. - Four integers
Find four consecutive integers so that the product of the first two is 70 times smaller than the product of the next two. - Find two
Find two consecutive natural numbers whose product is one larger than their sum. Searched numbers are expressed by a fraction whose numerator is the difference between these numbers, and the denominator is their sum. - Digits
If x, y and z are three consecutive nonzero digits, zyx-xyz = 198, where zyx and xyz are three-digit numbers created from x, y, and z.
- Beginning 16773
In the beginning, there are two boys and x girls. Then another three children will come to the class. In the end, there are three times fewer boys than girls. How many girls and boys are in the class - Two-digit 7607
The digit sum of a two-digit number is 11. After changing the order of the digits, I get a number 27, smaller than the intended number. What number do I think? - Equation 6738
Solve the given equation in the set N: 1 - x + x² - x³ + x4 - x5 +…. + = 1/3 - Three-digit numbers
How many three-digit numbers are not closer to 600 on the number axis than 400? - The sum AP with rule
Find the sum of all natural numbers between 1 and 100, which are divisible by 2 or 5
- Big number
What is the remainder when dividing 10 by 9 to 47 - 111? - Probably member
Look at the series 2,6,25,96,285, ? What number should come next? - Age
In 1960, my age was equal to the digits sum of the year of my birth. What is my age now? - MATHEMATICS: 46893
Solving the problem, substituting letters with numbers in the word MATHEMATICS: MAT + EMA = TIK - Sum of the seventeen numbers
The sum of the 17 different natural numbers is 154. Determine the sum of the two largest ones.
- Progression
-12, 60, -300,1500 need the next 2 numbers of pattern - Variations 70724
If we increase the number of elements by 2, the number of variations of the second class without repetition increases by 22. How many elements do we have initially? - Consecutive 4122
The sum of four consecutive natural numbers is 90. Determine these numbers. - Circus
At the circus performance were 150 people. Men were ten less than women and children 50 more than adults. How many children were in the circus? - Diofant equation
250x + 120y = 5640
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