Combinatorial number - high school - practice problems
Number of problems found: 274
- Combinations equation
C(2, 8) + C(3, 4) = - Trinity
How many different triads can be selected from group 38 students? - Calculation of CN
Calculate: (486 choose 159) - (486 choose 327) - Combinations
Evaluate following expression involving combinations and permutations: C(6,3) + 3 P(6,3) - Diagonals
What x-gon has 54 diagonals? - N-gon
How many diagonals have convex 30-gon? - Four-element 16321
How many four-element combinations can we make from 10 elements? - Hockey
The hockey match ended 7:4. How many different matches could be? - A pizza
A pizza place offers 14 different toppings. How many different three-topping pizzas can you order? - 2nd class combinations
From how many elements can you create 2346 combinations of the second class? - Different 36871
I will choose three from ten different books. How many different triplets can I choose? - Five identical
Five identical coins are tossed. What is the probability of more than one head? - Combinations
How many elements can form six times more combinations fourth class than the combination of the second class? - Cards
The player gets eight cards of 32. What is the probability that it gets a) all four aces b) at least one ace - Committees
How many different committees of 2 people can be formed from a class of 21 students? - The six
The six boys will be led up the hill by a two-seater lift. How many options are there? - Menu
On the menu are 12 kinds of meals. How many ways can we choose four different meals for the daily menu? - Blocks
There are nine interactive basic building blocks of an organization. How many two-blocks combinations are there? - Combinations
From how many elements can we create 990 combinations, 2nd class, without repeating? - Teams
How many ways can we divide 16 players into two teams of 8 members?
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