Password dalibor

Kamila wants to change the password daliborZ by

a) two consonants exchanged between themselves,
b) changes one little vowel to such same great vowel
c) makes this two changes.

How many opportunities have a choice?


a =  13
b =  3
c =  16


Solution in text c =

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!

To solve this example are needed these knowledge from mathematics:

Would you like to compute count of combinations? See also our variations calculator. See also our permutations calculator.

Next similar examples:

  1. Chess
    sachovnica How many ways can select 4 fields on classic chess board with 64 fields, so that fields don't has the same color?
  2. Neighborhood
    glasses_1 I have 7 cups: 1 2 3 4 5 6 7. How many opportunities of standings cups are there if 1 and 2 are always neighborhood?
  3. Trainings
    tenis The table contains tennis training schedule for Saturday's younger students during the winter indoor season. Before the start of the summer season is preparing a new training schedule. Tomas Kucera will be able to practice only in the morning, sisters Kova
  4. Cars plates
    car_plate How many different licence plates can country have, given that they use 3 letters followed by 3 digits?
  5. Lock
    combination-lock Combination lock will open when the right choice of 3 numbers (from 1 to 25 inclusive) is selected. A. How many different lock combinations are possible? B. Is he combination lock named appropriately?
  6. 7 heroes
    7statocnych 5 heroes galloping on 5 horses behind. How many ways can sort them behind?
  7. Numbers
    numbers_3 How many different 7 digit natural numbers in which no digit is repeated, can be composed from digits 0,1,2,3,4,5,6?
  8. Metals
    metals_2 In the Hockey World Cup play eight teams, determine how many ways can they win gold, silver and bronze medals.
  9. Olympics metals
    olympics In how many ways can be win six athletes medal positions in the Olympics? Metal color matters.
  10. Medals
    medails In how many ways can be divided gold, silver and bronze medal among 21 contestant?
  11. 2nd class variations
    cards From how many elements you can create 6972 variations of the second class?
  12. PIN - codes
    pin How many five-digit PIN - code can we create using the even numbers?
  13. 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.
  14. Variations
    pantagram Determine the number of items when the count of variations of fourth class without repeating is 38 times larger than the count of variations of third class without repetition.
  15. Task of the year
    years Determine the number of integers from 1 to 106 with ending four digits 2006.
  16. Tricolors
    Flag_of_the_Netherlands.svg From the colors - red, blue, green, black and white, create all possible tricolors.
  17. Theorem prove
    thales_1 We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?