Natural numbers + comparing - practice problems - page 2 of 3
Number of problems found: 52
- Sean Junkins
Sean Junkins works at X-Mobile. His pay is easily calculated using the expression 12h+8c, where h is the number of hours he works and c represents the number of phones he sells. Would Sean Junkins make more money if he worked 37 hours and sold three cell - Condition 83228
Three boys, Ivo, Vlado, and Alan, are reading the same book, with the condition that they will read the same number of pages every day during the entire reading until they finish the book. Ivo reads 18 pages from it every day, Vlado reads 24 pages, and Al - School year
At the beginning of the school year, 396 notebooks and 252 textbooks were ready to be distributed in the classroom. All pupils receive the same number of notebooks and the same amount of textbooks. How many pupils are there in the class if you know that t - My digits
My digits are 1, 2, 5, 6, and 7, but not in that order. My one digit is an even number. My tenth digit is 1. My hundredth digit is a number between 4 and 6. My thousandth digit is the digit with the highest value. I am less than 50000.
- Double-digit 7736
How many double-digit numbers lie on the number axis closer to the number 31 than to the number 100? - One-fifth 2869
Find all natural numbers that are twice as much as one-fifth plus nine. How many are there? - How many
How many numbers are less than 222 with a digit sum is 8? - Five-digit 78944
What is an even five-digit number whose digit sum is 44? - Is prime?
Which of the following numbers is prime? 21,11,18,25
- 600 pencils
Six hundred pencils we want to be divided into three groups. The biggest groups have ten pens more than the smallest. How many ways can this be done? - What 37901
What is more, 14% of 27 or 15% of 28? - Evaluation 34581
There are a total of 26 students in the class. During the evaluation of the control work, the teacher said: "4 pupils got the number one, and that is 16%. "Did all the students write the control work? - Four-digit 10261
Roman likes magic and math. Last time he conjured three- or four-digit numbers like this: • created two new numbers from the given number by dividing it between digits in the place of hundreds and tens (e.g., from the number 581, he would get 5 and 81), • - Two-digit 62944
Find the number of all two-digit numbers created from digits 1, 2, 3, 4, and 5 that are greater than 24. We can repeat numerals.
- Ordered pairs
Given: Set T = {(1,2), (2,3), (3,4), (4,5), (5,5), (6,7), (6,6), (7,8), (8,9), (9,9), (9, 10), (11,12), (12,13), (13,14), (15,16), (16,16), (17,18), (18,19), (20,21)} Find the probability of having an ordered pair wherein the second element is greater tha - Probability 36081
There are 6 white and several red balls in the box. How many red balls must there be so that the probability of drawing a red ball is less than the probability of drawing a white ball or greater than the probability of drawing a white ball? - Different 5402
Adélka had two numbers written on the paper. When she added their greatest common divisor and least common multiple, she was given four different numbers less than 100. She was amazed that if she divided the largest of these four numbers by the least, she - Probability 49331
There are 1 to 20 start numbers in the draw. What is the probability that the first downhill raffle will draw a start number less than 6? - Corresponding 5585
Consider the various points corresponding to the numbers a, 2a, 3a + 1 in all possible orders on the straight line representing the number line. For each option, decide whether such an arrangement is possible. If yes, give a specific example; if not, give
Do you have homework that you need help solving? Ask a question, and we will try to solve it.