Multiplication principle - math word problems

Number of problems found: 170

  • Pairs
    pair At the table sit 10 people, 5 on one side and 5 on the other side. Among them are 3 pairs. Every pair wants to sit opposite each other. How many ways can they sit?
  • Components
    components In the box are 8 white, 4 blue and 2 red components. What is the probability that we pull one white, one blue and one red component without returning?
  • No. of divisors
    triangle_div How many different divisors have number ??
  • Toys
    toys 3 children pulled 12 different toys from a box. Many ways can be divided toys so that each children had at least one toy?
  • Hearts
    hearts_cards 5 cards are chosen from a standard deck of 52 playing cards (13 hearts) with replacement. What is the probability of choosing 5 hearts in a row?
  • Pizza
    pizza_1 A school survey found that 12 out of 15 students like pizza. If 6 students are chosen at random, what is the probability that all 6 students like pizza?
  • Events
    items Event P has probability of 0.84. What is the probability that the event P occurs in 3, 5, 7 try.
  • 7 heroes
    7statocnych 9 heroes galloping on 9 horses behind. How many ways can sort them behind?
  • Hockey
    hokej Hockey match ended 8:2. How many different matches could be?
  • Subsets
    1venna_sets How many are all subsets of set ??
  • Word
    words What is the probability that a random word composed of chars E, Y, G, E, R, O, M, T will be the GEOMETRY?
  • Rectangles
    rectangles How many rectangles with area 8713 cm2 whose sides is natural numbers are?
  • Flags
    vlajka_cz How many different flags can be made from colors red, yellow, blue, green, white so that each flag consisted of three different colors?
  • Orchard
    orchard 10 trees in 5 lines grows in the orchard. How many trees are in the orchard?
  • Bits, bytes
    bits Calculate how many different numbers can be encoded in 16-bit binary word?
  • Morse alphabet
    morse_code Calculate how many words of Morse code to create compiling dashes and dots in the words of one to four characters.
  • Guests
    hostia How many ways can 7 guests sit down on 8 seats standing in a row?
  • Football league
    football In the 5th football league is 10 teams. How many ways can be filled first, second and third place?
  • 2nd class combinations
    color_circle From how many elements you can create 4560 combinations of the second class?
  • 2nd class variations
    cards From how many elements you can create 2450 variations of the second class?

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