Multiplication principle + multiplication - math problems

Number of problems found: 175

  • Hockey
    hokej Hockey match ended 8:2. How many different matches could be?
  • PIN - codes
    pin How many five-digit PIN - code can we create using the even numbers?
  • Medals
    medails In how many ways can be divided gold, silver and bronze medal among 21 contestant?
  • 2nd class combinations
    color_circle From how many elements you can create 4560 combinations of the second class?
  • Menu
    jedalnicek On the menu are 12 kinds of meal. How many ways can we choose four different meals into the daily menu?
  • 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?
  • Dice
    dices2_4 We throw five times the dice. What is the probability that six fits exactly twice?
  • 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.
  • Two-element combinations
    combinatorics Write all two-element combinations from elements a, b, c, d.
  • 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.
  • 2nd class variations
    cards From how many elements you can create 2450 variations of the second class?
  • Probability
    loto What are the chances that the lottery, in which the numbers are drawn 5 of 50 you win the first prize?
  • Dice
    dices2_5 We throw 10 times a play dice, what is the probability that the six will fall exactly 4 times?

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