Variations + multiplication principle - practice problems - page 8 of 11
Number of problems found: 219
- 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? - Disembarked 5962
Twenty-two passengers boarded in Žilina. Everyone gradually disembarked on the Teplička, Strečno, Vrútky, and Martin lines (the wagon was already empty in Martin). How many ways could they come out? - Probability 5576
Jana rolls two dice at the same time. What is the probability that she will score a total of four points? - Tournament
Six teams entered the basketball tournament. How many matches will be played if each team has to play one match with the other?
- 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? - Two-digit 5457
From how many digits can we create twenty-two-digit numbers in which the digits do not repeat? - Divisible 5454
How many natural numbers are divisible by five less than 8000, composed of the digits 0,1,2,5,7,9? - Ninth-grade 5446
When the ninth-grade boys and girls said goodbye at the end of the school year, they each gave each other their photos. It was a total of 552 images. How many farewells were there?
- Word MATEMATIKA
How many words can be created from the phrase MATEMATIKA by changing the letters' order, regardless of whether the words are meaningful? - Six on dice
When throwing two dice, what is the probability they will fall at least one six? - Sum or product
What is the probability that two dice fall will have the sum of seven or product 12? - Digits
How many five-digit numbers can be written from numbers 0.3,4, 5, and 7 divided by 10, and digits are repeated? - Pins 2
How many different possible four digits pins can be found on the 10-digit keypad?
- Tricolors
From the colors - red, blue, green, black, and white, create all possible tricolors. - Inscription: 5099
We roll the dice five times. Inscription: A) 3 events that definitely cannot happen. Write a reason for each. B) 3 events that will definitely happen. Write a reason for each. C) 3 events that may or may not occur. Write a reason for each. - 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? - Different 5030
The school teaches 12 different subjects, and each subject is taught for no more than an hour a day. How many ways can the timetable be made for one day if 5 different subjects are taught that day? - 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?
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