Variations - math problems
Number of problems found: 113
- Variations 4/2
Determine the number of items when the count of variations of fourth class without repeating is 600 times larger than the count of variations of second class without repetition.
Determine the number of items when the count of variations of fourth class without repeating is 42 times larger than the count of variations of third class without repetition.
- 2nd class variations
From how many elements you can create 2450 variations of the second class?
- Variations 3rd class
From how many elements we can create 13,800 variations 3rd class without repeating?
- VCP equation
Solve the following equation with variations, combinations and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0
How many diagonals has convex 11-gon?
- Variation equation
Solve combinatorics equation: V(2, x+8)=72
In how many ways can be divided gold, silver and bronze medal among 21 contestant?
On the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples?
How many are all subsets of set ??
- Possible combinations - word
How many ways can the letters F, A, I, R be arranged?
- Pins 2
how many different possible 4 digits pins can be found on the 10-digit keypad?
- Olympics metals
In how many ways can be win six athletes medal positions in the Olympics? Metal color matters.
The city has 7 fountains. Works only 6. How many options are there that can squirt ?
Seven friends agree to send everyone a holiday card. How many postcards were sent?
From the colors - red, blue, green, black and white, create all possible tricolors.
- Bits, bytes
Calculate how many different numbers can be encoded in 16-bit binary word?
In the non-transparent bags are red, white, yellow, blue tokens. We 3times pull one tokens and again returned it, write down all possibilities.
- Six on dice
What is the probability that when throwing two dice will fall at least one six?
In how many ways can 9 shuttle vans line up at the airport?
See also our variations calculator.