The easiest examples - page 3

  1. Angles 1
    angles It is true neighboring angles have not common arm?
  2. Guests
    hostia How many ways can 5 guests sit down on 6 seats standing in a row?
  3. CDs
    CDs Adam has 9 CDs more than Filip and 10 CDs less than Dominica. Filip has 7 CDs. How many CDs has Adam and how many CDs has Dominika?
  4. Shelf
    bookshelf.JPG How many ways are there to arrange 6 books on a shelf?
  5. Rabbits
    kralici In the hutch are 48 mottled rabbits. Brown are 23 less than mottled and white are 8-times less than mottled. How many rabbits are in the hutch?
  6. Candies
    bonbons_2 In the box are 12 candies that look the same. Three of them are filled with nougat, five by nuts, four by cream. At least how many candies must Ivan choose to satisfy itself that the selection of two with the same filling? ?
  7. Promile
    promile Calculate the 4.6 ‰ of 199.
  8. Stock market
    money_1 Simon one day decided to invest € 62000 to the stock market. After six months he invested July 25 stock markets fell by 47%. Fortunately for Simon from July 25 5 to October 25 his shares have risen by 39%. Simon is then: ?
  9. Cherries
    visne Cherries in the bowl can be divided equally among 8 or 10 or 11 children. How many is the minimum cherries in the bowl?
  10. Cube
    1cube Calculate the surface cube with edge 11 dm.
  11. Height
    thales_law Is right that in any right triangle height is less or equal half of the hypotenuse?
  12. Wage
    socik Increasing the minimum wage while maintaining the other parameters of the system, unemployment will be:
  13. Ace
    ace From complete sets of playing cards (32 cards) we pulled out one card. What is the probability of pulling the ace?
  14. Playing cards
    playing_cards How many possible ways are to shuffle 7 playing cards?
  15. Garden plot
    plot Calculate how many meters of fence need to fence the square garden with length and width of 22 meters.
  16. Logs
    gulatina Trunk diameter is 52 cm. Is it possible to inscribe a square prism with side 36 cm?
  17. Series
    posloupnost_an Andrew wrote this series of numbers: 1,3,7,15, .... n. Which number in the series does not belong? ?
  18. Greenhouses
    sklenik Two workers would make installation of greenhouses for 54 hours. For how many hours does the installation 9 workers?
  19. Classroom 3
    kids_1 How many children are in the classroom, where 13 children are higher than Lenka and 9 children lower than Lenka?
  20. Fisherman
    rybar-ryba Fisherman caught 32 fish, which is four times more than last year. How many fish he caught last year?

Do you have interesting mathematical example that you can't solve it? Enter it and we can try to solve it.



To this e-mail address we will reply solution; solved examples are also published here. Please enter e-mail correctly and check whether you don't have a full mailbox.