Reason + numbers - practice problems - page 3 of 43
Number of problems found: 848
- Probability 17503
We choose four numbers from numbers 1 - 20. What probability will the numbers 6 or 10 be among them? - Three-digit 11041
How many three-digit numbers can be composed of 0.5,9 digits? - Squares 5479
Draw two stone squares. They have a total of 34 stones. What edges do the squares have? - Difference 1632
The difference between the two numbers is 7. Their product 144. What are the numbers? - Two dice
We roll two dice. What is the probability that the sum of the falling numbers is greater than 3? - 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? - Chocolates
How many ways can we distribute eight different chocolates to four children? - Digit sum
How many are three-digit numbers that have a digit sum of 6? - Mystery number
A mystery number is between 800 and 920. No digits are the same. The difference between the numbers is 5. What is the mystery number? - Unknown number
Find the unknown number equal to a quarter of a fifth of a number, which is by 152 more than an unknown number. - Consecutive numbers
The sum of ten consecutive numbers is 105. Determine these numbers (write first and last). - Wage
Increasing the minimum wage while maintaining the other parameters of the system, unemployment will be: - Cats
Two cats caught two mice in two days. How many mouses will catch 6 cats for 6 days? - Groups 72194
I have eight groups. How could they place first, second, and third? - Expression 66754
Find the largest natural number n for which the value of the expression (37-2n) / 3 equals the natural number. - Consecutive 29761
Determine three consecutive natural numbers, the sum of which is 66. - Numbers 7755
How many digits 7 are in numbers from 1 to 777? - Divisors 6619
Which natural number less than 100 has the largest number of divisors?
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