Natural numbers + reason - practice problems - page 11 of 28
Number of problems found: 543
- Algebrogram
Solve algebrogram: mama+anna=vari How many solutions are? - Number 80500
Which number does not belong in the number series and why? 11. . . 13 . . . 15 . . . 17 . . . 19 - Three-digit 56441
Determine the number of all-natural three-digit numbers divisible by 9, consisting of the numbers 0, 1, 2, 5, 7: - Five-digit 30481
Find the smallest five-digit number A432B that is divisible by 15.
- Determine 8322
Determine which number belongs instead of the question mark 25 -? - 205 - 610 -1825 - Calculate 6729
Calculate the larger of the two numbers if the smaller number is the third of the larger number and their sum is 48. - Divisible by nine
How many three-digit natural numbers in total are divisible without a remainder by the number 9? - 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? - Expression 66754
Find the largest natural number n for which the value of the expression (37-2n) / 3 equals the natural number.
- Divisors 6619
Which natural number less than 100 has the largest number of divisors? - How many
How many numbers are less than 222 with a digit sum is 8? - Sum and ratio
The sum and ratio of two numbers are equal to 10. Which numbers are they? - Hens and pigs
Hens and pigs have 46 feet in total. At least how much can heads have? - Four-digit number
Find all four-digit abcd numbers with a digit sum of 12 such that ab-cd = 1
- Summands
Find two summands of the number 42 so that its product is minimized. - Equation 19683
Fill in the signs so that equation 3 2 3 4 = 3 applies. - Unknown numbers
The sum of two consecutive natural numbers and their triple is 92. Find these numbers. - Symmetrical 80361
Complete the digits to create a symmetrical number divisible by 5 to the number 346. - Continuation 46483
Continuation of the number series 9,12,18,27
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