Reason - math problems

Number of problems found: 953

  • Big factorial
    sierpinski How many zeros end number 116! ?
  • Inflation
    dollar What is better for people (employees)? ?
  • Variable
    eq2_12 Find variable P: PP plus P x P plus P = 160
  • Hockey
    hokej The hockey match ended 8:2. How many different matches could be?
  • Dice
    dices2_4 We throw five times the dice. What is the probability that six fits exactly twice?
  • Televisions
    tvs.JPG Television is the fifth most expensive and tenth cheapest TV. How many different TVs are in stores?
  • The lift
    tower The lift can fit 4 people. How many uphill rides must the lift make to move up 12 passengers?
  • 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.
  • Year 2018
    new_year The product of the three positive numbers is 2018. What are the numbers?
  • Lottery
    loteria_1 The lottery is 60000 elk in which 6200 wins. What is the probability that the purchase of 12 elks won nothing?
  • Six on dice
    dices2_1 What is the probability that when throwing two dice will fall at least one six?
    math_1 How many words can be created from the phrase MATEMATIKA by changing the letters' order, regardless of whether the words are meaningful?
  • Probability
    fractions_1 How probable is a randomly selected three-digit number divisible by five or seven?
  • Book
    matematika_encyklopedia To number pages of the thick book was used 4201 digits. How many pages has this book?
  • Fruits
    banan_1 In the shop sell 4 kinds of fruits. How many ways can we buy three pieces of fruit?
  • Bouquets
    flowers In the flower shop they sell roses, tulips and daffodils. How many different bouquets of 5 flowers can we made?
  • Compound interest
    exponential_usd Calculate time when deposit in the bank with interest 2.5% p.a. doubles.
  • Subtraction
    cards1 How many times you can subtract the number 4 from the number 64?

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