Combinatorics - math word problems - page 17 of 54
Number of problems found: 1079
- Variations 26791
If the number of elements increases by two, the number of variations of the second class of these elements created by 38 increases. What is the original number of elements? - Two-digit 26211
Write all two-digit numbers using the numbers 4 and 7 - Variation equation
Solve combinatorics equation: V(2, x+8)=72 V(2,x+8) is variations, second class, from x+8 items. - A six-sided
A six-sided die is rolled once. What is the probability that the number rolled is an even number greater than two? - Combinations
From how many elements can we create 990 combinations, 2nd class, without repeating? - Combinations 80637
If the number of elements decreases by 4, the number of combinations of the second class from these elements decreases three times. How many elements are there? - Probability 41091
What is the probability that an odd prime will fall on a dice roll?
- Raffle
In the pool number from 1 to 140. What is the probability that a randomly selected number is not prime? - Variations 8333
How many elements do we create 90 variations of 2 classes without repeating elements? - 2nd class combinations
From how many elements can you create 2346 combinations of the second class? - Combinations
Evaluate the following expression involving combinations and permutations: C(6,3) + 3 P(6,3) - Combinations
How many elements can form six times more combinations of the fourth class than the combination of the second class? - Equation: 4274
Solve the equation: V (2, x + 2) = 90 - Flags
How many different flags can be made from green, white, blue, red, orange, yellow, and purple materials, so each flag consists of three different colors? - Orchard
10 trees in 5 lines grow in the orchard. How many trees are in the orchard?
- Differently 22543
Jasmine is a big paradise. She wants to go differently dressed every day. She has four different shoes, seven skirts, 8 T-shirts, and three hair ornaments. How many days can an outfit be combined each time? - Committee 2
How many committees consisting of 3 women and two men can be formed from a group of 6 women and five men? - Calculated 67234
There are 13 boys and 17 girls in the class. The weeklies are always either two girls or a boy and a girl. The teacher calculated that she has 357 ways to create a pair of weekly newspapers. However, Anetka did not come to school on Monday morning. How ma - Checkerboard 9091
Determine how many ways we can place 5 different pieces on an 8x8 chessboard so that two are on black squares and three are on white squares. - Lock
A combination lock will open when the right choice of 3 numbers (from 1 to 16 inclusive) is selected. A. How many different lock combinations are possible? B. Is the combination lock named appropriately?
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