Variations - math problems

Number of problems found: 113

  • Variations 4/2
    pantagram_1 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.
  • Variations
    pantagram 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
    cards From how many elements you can create 2450 variations of the second class?
  • Variations 3rd class
    cubic From how many elements we can create 13,800 variations 3rd class without repeating?
  • VCP equation
    combinatorics3 Solve the following equation with variations, combinations and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0
  • N-gon
    ngon How many diagonals has convex 11-gon?
  • Variation equation
    fun2_4 Solve combinatorics equation: V(2, x+8)=72
  • Medals
    medails In how many ways can be divided gold, silver and bronze medal among 21 contestant?
  • Disco
    vencek On the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples?
  • Subsets
    1venna_sets How many are all subsets of set ??
  • Possible combinations - word
    dices2 How many ways can the letters F, A, I, R be arranged?
  • Pins 2
    pin_keyboard how many different possible 4 digits pins can be found on the 10-digit keypad?
  • Olympics metals
    olympics In how many ways can be win six athletes medal positions in the Olympics? Metal color matters.
  • Combinatorics
    fontains The city has 7 fountains. Works only 6. How many options are there that can squirt ?
  • Seven
    post_1 Seven friends agree to send everyone a holiday card. How many postcards were sent?
  • Tricolors
    Flag_of_the_Netherlands.svg From the colors - red, blue, green, black and white, create all possible tricolors.
  • Bits, bytes
    bits Calculate how many different numbers can be encoded in 16-bit binary word?
  • Tokens
    kamene 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
    dices2_1 What is the probability that when throwing two dice will fall at least one six?
  • Vans
    shuttlevan In how many ways can 9 shuttle vans line up at the airport?

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