Multiplication principle - practice problems - page 8 of 31

Number of problems found: 609

Dance couple pairs
Ten girls and seven boys are in the dance group. Only one mixed couple is to go to the competition. How many possible pairs can we choose from?
Skater equipment options
Mike is buying skater equipment. He chooses one of 2 helmets, one of 3 pairs of gloves, one of 4 knee pads, and one of 2 elbow pads. How many different combinations of equipment can he choose?
Tournament game count
Five children took part in the five-a-side tournament: Annie, Betty, Celeste, Dan, and Eric. Everyone played with everyone. How many games have been played?
Mobile phone settings
Lucia's mobile phone offers a choice of 10 ringtones, seven tones when receiving an SMS, and 15 wallpapers in the background of the display. How many ways can Lucia set up her mobile?
Team creation options
The teacher wants to create one three-member team from four girls and four boys, with one girl and two boys on the team. How many different ways can the teacher form the team?
Miloš 2
Miloš works in an optician's. He helps his friend Martin with the selection of lenses for prescription glasses. These can have: - a special anti-scratch treatment, - anti-reflection – ensures greater permeability of light into the eye, - photochromic – da
Other
On other days, I often see two colours before my eyes — blue and yellow. I feel sad about what is happening. That is why I have a task for you today about colours. I have 5 markers in my pencil case: blue, yellow, green, red, and purple. In how many ways
Ball arrangement ways
We have two identical blue balls and two identical red balls. We arrange them in a row in all ways. How many different arrangements are there?
Ball selection probability
There are five whites and nine blacks in the destiny. We will choose three balls at random. What is the probability that a) the selected balls will not be the same color, b) will there be at least two blacks between them?
Egg color combinations
Anna painted eggs for art. She had five colors for her eggs. He wants to put three of them on each. How many different colored eggs could she paint? (It's just the colors, not the shapes on them. )
Three-digit number creation
The number 0,3,7,4 are given. How many three-digit numbers are there: a) if the numbers can be repeated b) if the numbers cannot be repeated c) how many even three-digit numbers if the numbers can be repeated d) how many odd three-digit numbers if the num
Three-digit number creation
The numbers 1,3,7,4 are given. How many three-digit numbers are there: a) if the numbers can be repeated b) if the numbers cannot be repeated c) how many even three-digit numbers if the numbers can be repeated d) how many odd three-digit numbers if the nu
Dress color probability
Anna has four different colored pullovers and three different colored skirts. What is the probability that she will have a red pullover and a blue skirt in a random dress if we know that she has them in her wardrobe?
Sound triple creation
How many triples of sounds can be created from sounds f, o, u, r? You solve using a tree diagram.
Single-colored
Diana is going to a party. She can't decide what to wear. She has 4 T-shirts (white, blue, pink, and purple) and 5 skirts (black, white, pink, green, and brown) to choose from. In how many different ways can she combine a T-shirt and a skirt if she doesn'
Four-digit number creation
Create all four-digit numbers in which 0, 2, 5, and 9 are not repeated. A) How many such numbers are there? You solve using a tree diagram. B) What percentage of them are even?
Student pair selection
The coach must choose two students from Sam, George, Emma, Dan, and Nika to go to the competition. He knows them well and knows that Samo will only go with George or Emma, and Dan will not go with Emma. How many pairs does the trainer have to choose from?
Book reading orders
Patricia borrowed four books from the library at the beginning of the summer holidays. How many orders in which she could gradually read them?
Exam question probability
The teacher has 20 questions, from which the student chooses two on the exam. The student learned 10 questions well, 6 partially, and 4 not at all. What is the probability that he will get both questions he knows well?
Numbered
In the past, passengers on public transport validated single-use tickets that had 9 numbered boxes, a certain number of which were punched with a validator. A) In how many different ways could a ticket be validated if 3 boxes were punched? B) In how many

Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.