# Variations + multiplication - practice problems

#### Number of problems found: 107

- Five letters

How many ways can five letters be arranged? - Possible combinations - word

How many ways can the letters F, A, I, R be arranged? - Beads

How many ways can we thread 4 red, 5 blue, and 6 yellow beads onto a thread? - Cube construction

A 2×2×2 cube is to be constructed using 4 white and 4 black unit cube. How many different cubes can be constructed in this way? ( Two cubes are not different if one can be obtained by rotating the other. ) - Boys and girls

There are 20 boys and 10 girls in the class. How many different dance pairs can we make of them? - Two groups

The group of 10 girls should be divided into two groups with at least 4 girls in each group. How many ways can this be done? - Graduation party

There are 15 boys and 12 girls at the graduation party. Determine how many four couples can be selected. - One three

We throw two dice. What is the probability that max one three falls? - Bookshelf and books

How many ways can we place 7 books on a bookshelf? - A jackpot

How many times must I play this jackpot to win? A jackpot of seven games having (1 X 2), i. E. , home win or away win. - Classroom

Of the 26 pupils in the classroom, 12 boys and 14 girls, four representatives are picked to the odds of being: a) all the girls b) three girls and one boy c) there will be at least two boys - Pages counting

There are pages numbered from 2 to 104 in the book. How many digits have to be printed to number the pages? - Three-part novel

In how many ways can 7 books be stored on a shelf if there is one three-part novel to be placed side by side? - Practice

How many ways can you place 20 pupils in a row when starting on practice? - N points on the side

There is an equilateral triangle A, B, C on each of its inner sides lies N=13 points. Find the number of all triangles whose vertices lie at given points on different sides. - Election 4

In a certain election there are 3 candidates for president 5 for secretory and 2 for tresurer. Find how many ways the election may (turn out/held). - Chocolates

How many ways can we distribute 8 different chocolates to four children? - Combinations 7

A multi-course meal has 3 choices. 3 appetizers, 4 main courses, and 3 desserts. How many different combinations to choose from? - Five-digit numbers

How many different five-digit numbers can be created from the numbers 2,3,5 if the number 2 appears in the number twice and the number 5 also twice? - Boys and girls

There are eight boys and nine girls in the class. There were six children on the trip from this class. What is the probability that left a) only boys b) just two boys

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See also our variations calculator. Variations - practice problems. Multiplication practice problems.