Natural numbers + multiplication principle - practice problems - page 4 of 12
Number of problems found: 234
- Two-digit number creation
How many natural two-digit numbers can we form from the digits 0, 1, 2, and 3 if we cannot repeat the digits in these numbers? - Four-digit code letters
A four-digit code has the letters A, B, and C in the first two places and numbers 1, 2, 3, and 4 in the following two places. How many different codes can be made if we can repeat both letters and numbers in the code? - Two-digit number creation
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. - Three-digit number composition
How many three-digit numbers can be composed of 0.5,9 digits? - Electing Commander and Representative
How many ways can a commander and a representative of a 20-member group be elected? - Three-digit numbers
How many different three-digit natural numbers can be created so that the digits are different and the last digit is 0? - Twenty-five
How many are three-digit natural numbers divisible by 25? - Monogram letter combinations
Calculate how many different monograms (short name and surname) I can make from the letters A, E, M, Z, and K. a) with repetition: b) without repetition: - Sound triple creation
How many triples of sounds can be created from sounds f, o, u, r? You solve using a tree diagram. - Couple train boarding
Ten married couples board the train, which has five cars. How many ways can they take if no two spouses want to be in the exact vehicle? - Round table
Eight people are sitting at a round table. In how many ways can they be seated around the table? - Leader captain selection
How many ways can a 6-member football club member choose a leader and captain from among themselves? - Four-digit numbers How many four-digit numbers can we make from the numbers 2, 6, 3, 5, 1, and 9 if we cannot repeat the numbers in the number?
- Committee selection ways
There are 24 students in the class. How many ways can we select a class committee? Where are the chairman, treasurer, and bulletin board? - Three-digit number creation
How many 3-digit numbers can be created from the digits 1, 2, 3, 4, 5, and 6 if we must not repeat the digits? - Dressing combination
How many ways can I dress in the morning if I can choose from 10 T-shirts, eight shirts and nine pants? I wear pants plus a T-shirt or pants plus a shirt. - Number 4 Camilla wrote all-natural numbers from 1 to 400 inclusive. How many times did she write the number 4?
- Hotel room numbering
In the hotel, the room numbers are indicated by a 3-digit number and one of the letters A B. The first digit indicates the floor number. How many rooms can they have in the hotel? - Dd 2-digit numbers
Find all odd 2-digit natural numbers compiled from digits 1; 3; 4; 6; and 8 if the digits are not repeated. - How many
How many double-digit numbers greater than 30 can we create from digits 0, 1, 2, 3, 4, and 5? We cannot repeat numbers in a two-digit number.
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