Variations - practice for 13 year olds - page 4 of 6
Number of problems found: 105
- Three-part novel
In how many ways can seven books be stored on a shelf if there is one three-part novel to be placed side by side? - Numbers 7755
How many digits 7 are in numbers from 1 to 777? - Practice
How many ways can you place 20 pupils in a row when starting on practice? - Decorations 7693
Petra was preparing a pudding cup to celebrate the holiday. It had four types of pudding, five types of fruit, and two types of decorations. How many different glasses could she prepare with one pudding, one fruit, and one garnish?
- Chocolates
How many ways can we distribute eight different chocolates to four children? - Combinations 7
A multi-course meal has three choices. Three appetizers, four main courses, and three desserts. How many different combinations to choose from? - Sweater
Dana confuses me that sweaters and wool have a choice of seven colors. In how many ways can she choose from three colors for the sleeves? - Lunch
Seven classmates go every day for lunch. If they always come to the front in a different order, will it be enough school year to take of all the possibilities? - Certificate 6740
There are 19 children in class 6A, 7 subjects, and no one has a worse grade than a three. Can each of them have a different certificate? How many would have to be in the class so that everyone could not have another report card?
- Different 6709
Milan found out that he could wear pants and a T-shirt in a total of 28 different ways. How many T-shirts and pants can he have? List all options. - Seven
Seven friends agreed to send everyone a holiday card. How many postcards were sent? - Ružomberok 6070
The tourist group wanted to visit the four Slovak cities: Bratislava, Banská Bystrica, Ružomberok, and Levice. They decided that Levice would be the third place they would visit. How many different ways could they organize their city visit program? - Probability 5576
Jana rolls two dice at the same time. What is the probability that she will score a total of four points? - Desks
A class has 20 students. The classroom consists of 20 desks, with four desks in each of 5 different rows. Amy, Bob, Chloe, and David are all friends and would like to sit in the same row. How many possible seating arrangements are there such that Amy, Bob
- Natural 5474
How many natural numbers can we create less than 301 from the number 0,1,2,3,6,7? - Lines
How many lines can be drawn with 8 points if three points lie on one line and the other any three points do not lie on the same line? - Tricolors
From the colors - red, blue, green, black, and white, create all possible tricolors. - Three-digit 5093
How many can you create three-digit numbers from the numbers 1,3,5,7 if we must not repeat the numbers? - Dining 5004
The dining room offers three types of soups and four types of main courses. How many ways can we choose soup and the main course?
Do you have homework that you need help solving? Ask a question, and we will try to solve it.