Combinatorics - math word problems - page 42 of 55
Number of problems found: 1085
- Commitee
A class consists of 12 males and 15 females. How many committees of 6 are possible if the committee must consist of 4 males and 2 females? - Kids
How many different ways can sit 6 boys and 3 girls in line if girls want to sit on the edge? - Digit sum
How many are three-digit numbers that have a digit sum of 6? - VCP equation
Solve the following equation with variations, combinations, and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0 - Product selection ways
There are 11 products in the box, of which just four are defective. How many ways can we choose five products so that at least four are not faulty? - Math logic
There are 20 children in the group. Every two children have a different name. Alena and John are among them. How many ways can we choose eight children to be among the selected A) was John B) was John and Alena C) at least one was Alena, John D) maximum o - Five-digit number count
Determine the number of all natural numbers greater than 2000 in which the digits 1, 2, 4, 6, and 8 occur at most once each. - Three towns and roads
If there are three roads from town A to town B And four roads from town B to town C, how many ways can one go from town A to town C and back to town A, through town B, without passing through the same road twice? - Big numbers
How many natural numbers less than 10 to the sixth can be written in numbers: a) 9.8.7 b) 9.8.0 - Chocolates
How many ways can we distribute eight different chocolates to four children? - Fraction equation
Calculate x: (x-1) over (x-2) + (x-2) over (x-4) = 4 - Combinations
If the number of elements increases by 3, it increases the number of combinations of the second class of these elements five times. How many are the elements? - Variation elements
How many elements do we have if the variation of the third class without repetitions is ten times more than the variation of the second class? - Mice of Each Color
The hat has 14 grays, eight white, and six mice. What is the smallest number of mice we have to pull out of our hats to ensure we have at least one mouse of each color? - Dice Rolls for Sum
Stella rolls a die from 1 to 6. How many times does she have to roll the die to be sure that the sum will be 4? - Flag color combinations
How many 4 colored flags can be made from 5 colors so that each flag consists of three different colors? - Round table
Find the number of ways in which eight people can be seated at a round table such that 2 of them always sit together. - Bookshelf and books
How many ways can we place seven books on a bookshelf? - Three digits number
How many are three-digit integers such that they have no digit repeats? - Ace
We pulled out one card from a complete set of playing cards (32 cards). What is the probability of pulling the ace?
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