Three digits number

From the numbers 1, 2, 3, 4, 5 create three-digit numbers that digits not repeat and number is divisible by 2. How many numbers are there?

Result

n =  24

Solution:

Solution in text n =

Try another example






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!
avatar




To solve this example are needed these knowledge from mathematics:

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

Next similar examples:

  1. Three digits number
    plot How many are three-digit integers such that in they no digit repeats?
  2. A three-digit numbers
    clocks_1 Determine the total number of positive three-digit numbers that contain a digit 6.
  3. Three-digit
    seven How many three-digit natural numbers do not have the number 7?
  4. Theorem prove
    thales_1 We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
  5. Toy cars
    numbers2_13 Pavel has a collection of toy cars. He wanted to regroup them. But in the division of three, four, six, and eight, he was always one left. Only when he formed groups of seven, he divided everyone. How many toy cars have in the collection?
  6. Task of the year
    years Determine the number of integers from 1 to 106 with ending four digits 2006.
  7. One three
    dice We throw two dice. What is the probability that max one three falls?
  8. Digits
    numbers_48 How many five-digit numbers can be written from numbers 0.3,4, 5, 7 that is divided by 10 and if digits can be repeated.
  9. Basket of fruit
    hrusky_jablka In six baskets, the seller has fruit. In individual baskets, there are only apples or just pears with the following number of fruits: 5,6,12,14,23 and 29. "If I sell this basket," the salesman thinks, "then I will have just as many apples as a pear." Which
  10. PIN - codes
    pin How many five-digit PIN - code can we create using the even numbers?
  11. 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.
  12. Sheep
    ships Shepherd tending the sheep. Tourists asked him how much they have. The shepherd said, "there are fewer than 500. If I them lined up in 4-row 3 remain. If in 5-row 4 remain. If in 6-row 5 remain. But I can form 7-row." How many sheep have herdsman?
  13. Tricolors
    Flag_of_the_Netherlands.svg From the colors - red, blue, green, black and white, create all possible tricolors.
  14. Medals
    medails In how many ways can be divided gold, silver and bronze medal among 21 contestant?
  15. Metals
    metals_2 In the Hockey World Cup play eight teams, determine how many ways can they win gold, silver and bronze medals.
  16. Olympics metals
    olympics In how many ways can be win six athletes medal positions in the Olympics? Metal color matters.
  17. Chess
    chess How many different ways can initiate a game of chess (first pass)?