Divisibility - math word problems - page 16 of 22
Number of problems found: 434
- Digit sum
Determine how many integers greater than 900 and less than 1,001 have the digit sum digit of the number 1. - Customers 4344
Sixty customers visited the hair salon. Customers were either blondes, brunettes, brunettes, or redheads. One in three was brunette, one in five was blonde, and one in fifteen was a redhead. How many brunettes were there in the salon? - Modulo
Find x in the modulo equation: 47x = 4 (mod 9) Hint - read as what number 47x divided by 9 (modulo 9) gives remainder 4. - Two friends
Two friends met as a good man perished together for a beer. After recovering the most important topics (politics, women, football ...), one asks: - And how many children do you have? - I have three children. - And how many years have you? A friend already - Centipede Mira
Centipede Miroslava consists of a head and several articles. Each pair has one pair of legs. When it got cold, she decided to get dressed. Therefore, she put a sock on her left foot from the end of the third article and then in every other third article. - Symmetry
Eva loves symmetry in shapes and numbers. Yesterday she invented an entirely new kind of symmetry - divisible symmetry. She wrote all five-digit numbers with different digits with the following property: The first digit is divisible by 1, the second by 2, - Organizes 4152
Shepherd has less than 500 sheep. If he organizes them in 4 rows, he will remain three sheep. If he manages them in 5 rows, he will remain four sheep. If he arranges them in 6 rows, he will remain five sheep. But it can manage them exactly in 7 rows. How
- Maximally 4036
Mr. Novák wants to pave the terrace with tiles of two sizes to be as small as possible. Its terrace is square with a side 3 meters long. There is a wall of the house on two sides of the terrace. Next to the wall, he wants to put small tiles, the rest larg - Probability 4020
There are numbers from 1 to 20 in the hat. What is the probability that we will pull out from the hat: a / one-digit number b / prime number c / number greater than 11 d / a number divisible by six Thank you - Candies 3989
How many candies does Renata have in the box? There are less than 50 of them. She can divide them fairly among her five or even six friends and still have one candy left over for her and her brother. How many candies are in the candy box? - Z9-I-4
Kate thought of a five-digit integer. She wrote the sum of this number and its half in the first line of the workbook. Write a total of this number and its fifth on the second line. She wrote a sum of this number and its one nines on the third row. Finall - Fluid
We have vessels containing 7 liters, 5 liters, and 2 liters. The largest container is filled with fluid, and the others are empty. Can you only get 5 liters and two 1 liter of fluid by pouring? How much pouring is needed? - Clotheslines
Mommy needs six clotheslines 360 cm long. Clotheslines are sold in the length of eight meters. How many of these clotheslines must buy mom if any does not want to be connected? How much does mommy pay for the clotheslines when one piece costs 24kč? - Pet store
They sold fish from one aquarium from the breeding product (Zverimex). Ondrej wanted half of all the fish, but to avoid cutting any fish, he got half the fish more than he wanted. Matej wanted half of the remaining fish, but like Ondrej, he got half the f - Infinite decimal
Imagine the infinite decimal number 0.99999999... That is a decimal and her endless series of nines. Determine how much this number is less than the number 1. Thank you in advance.
- Divisibility Write all the integers x divisible by seven and eight simultaneously, for which the following applies: 100 < x < 200.
- Two-digit number
I am a two-digit number less than 20. When you divide me by three, you get a remainder of 1. When you divide me by four, you also get a remainder of 1. What number am I? - Permutations
How many 4-digit numbers can be composed of numbers 1,2,3,4,5,6,7 if: a, the digits must not be repeated in the number b, the number should be divisible by five, and the numbers must not be repeated c, digits can be repeated - Czech crowns
Oldrich has one crown. Peter has five crowns coin, a two crown coin, and a one-crown coin. Radek has a twenty-crown banknote, ten banknotes, and a five-crown coin. The boys got one fifty-one crown and one crown coin. How can they share the money fairly wh - Grandmother
Grandmother wants to give the candies to grandchildren so that when she gives five candy everyone, three are missing, and when she gives four candies, 3 are surplus. How many grandchildren have a grandmother, and how many sweets do they have?
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