Multiplication principle + multiplication - math problems

Number of problems found: 220

  • Round table
    Find the number of ways in which 8 people can be seated at a round table, such that 2 of them always sit together.
  • Balls in row
    Calculate the number of ways of placing 4 black balls, 4 turquoise balls and 5 gold balls in a row.
  • The flag
    The flag should consist of 3 different colored stripes. Available colors: white, red, blue, green and yellow. Specify: A) number of all flags B) number of flags with a blue stripe C) number of flags with a blue stripe in the middle D) the number of flags
  • The three
    The three boys Adam, Boris and Cyril are to be taken on a two-seater ski lift. How many different removal options are there? What would it be like if four boys or five were to be taken away?
  • An aircraft
    An aircraft manufacturing company has submitted bids on two separate airline contracts, A and B. The company feels that it has a 70% chance of winning contract A and a 25% chance of winning contract B. Furthermore, it believes that winning contract A is i
  • Right key
    The hostel has 4 rooms. The keys to each room are not numbered. Each of the four guests took one key. What is the probability that everyone took the right key?
  • Three towns and roads
    If there are 3 roads from town A to town B And 4 roads from town B to town C, in how many ways can one go from town A to town C and back to town A, through town B, without passing through the same road twice?
  • Hockey Championships
    At the 2021 World Hockey Championships, there are eight teams in Group A, each of which plays seven matches. There are 4 points for each team to gain points (3-2-1-0), but it is always paired with the opponent's points ( 0-1-2-3). How many points are ther
  • A married
    A married couple planned to have 3 children. i. List the possible combinations of the sexes of 3 children. Use B for boy and G for girl. ii. Calculate the probability that all three children would be of the same gender
  • Committee 2
    How many committee consisting of 3 women and 2 men can be formed from a group of 6 woman and 5 men?
  • ID tag
    How many 3 digit ID tag can be made if: a) a digit cannot be used more than once b) the  1st digit must be five, and repetition of the others is not permitted.
  • There 8
    There are 7 women and 5 men in a department. a) how many ways can a committee of 3 people be selected? b) how many ways can a committee of 2 men and 1 woman be selected? c) how many ways can a committee of at least 2 woman be selected (3 people total)?
  • Three wagons
    I have 6 different people (A, B, C, D, E, F), which I have to place into 3 wagons, if it depends on who will board. How many options are there?
  • Tic-tac-toe
    In how many ways could 9 participants of the school round of five-in-a-row win the first three places?
  • Two dice
    What is the probability that when the roll of two identical dice is the sum of points 7?
  • A bag
    A bag contains 9 blue marbles and 1 green marble. What is the probability of drawing a blue marble followed by a green marble, without replacing the first marble before drawing the second marble.
  • Three-digit numbers
    How many are all three-digit numbers that are made up of digits 0,2,5,7 and are divisible by 9 if the digits can be repeated?
  • Double six-six
    What is the probability, that a player in the games of ludo will throw a double 6 twice .
  • We roll
    We roll two dice A. - what is the probability that the sum of the falling numbers is at most 4 B. - is at least 10 C. - is divisible by 5?
  • Created trio
    What is the probability that in the created trio, which consists of 19 boys and 12 girls, they will be: a) the boys themselves b) the girls themselves c) 2 boys and 1 girl?

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Multiplication principle - math problems. Multiplication Problems.