Grade - examples - page 137

  1. Z7-I-4 stars 4949
    hviezdicky_mo Write instead of stars digits so the next write of product of the two numbers to be valid: ∗ ∗ ∗ · ∗ ∗ ∗ ∗ ∗ ∗ ∗ 4 9 4 9 ∗ ∗ ∗ ∗ ∗ ∗ 4 ∗ ∗
  2. Unknown number
    nums Identify unknown number which 1/5 is 40 greater than one tenth of that number.
  3. Cube edge
    cubes_9 Determine the edges of the cube when the surface is equal to 37.5 cm square.
  4. Trams
    tramvaje Two trams started at the same time from the same place. One tram journey takes 30 minutes and the second 45 minutes to its final stop. How long will trams meet again?
  5. Football team
    trenyrky Football team has in store black, purple and orange shirts, blue and white shorts and striped and gray socks. How many different outfits players may start?
  6. Cinema 4
    cinema_2 In cinema are 1656 seats and in the last row are 105 seats , in each next row 3 seats less. How many are the total rows in cinema?
  7. Book read
    books_12 If Petra read 10 pages per day, she would read the book two days earlier than she read 6 pages a day. How many pages does a book have?
  8. Number
    Zet I think the number. If I add to its third seven I get same as when to its quarter add 8. Which is the number?
  9. Theatro
    divadlo_1 Theatrical performance was attended by 480 spectators. Women were in the audience 40 more than men and children 60 less than half of adult spectators. How many men, women and children attended a theater performance?
  10. Water level
    flow To cuoid shaped poll, bottom size 2m and 3.5m; flows water at a rate of 50 liters per minute. How long will take to water reach level 50 cm?
  11. Plum
    plumbs_1 On the platter are plum. How many were there if its have to be able to share equally among 8,10 and 12 children?
  12. Variations 4/2
    pantagram_1 Determine the number of items when the count of variations of fourth class without repeating is 600 times larger than the count of variations of second class without repetition.
  13. Sick
    tabletky Sick Marcel already taken six tablets, which was a quarter of the total number of pills in the pack. How many pills were in the pack?
  14. Base, percents, value
    percent_1 Base is 344084 which is 100 %. How many percent is 384177?
  15. Class 9A
    boy On the final certificate have one quarter of the class 9A mark "C" of mathematics, seventh mark "C" from the Czech language and two students failed in chemistry. How many students attend class 9A?
  16. Greenhouse
    foliovnik Garden plastic greenhouse is shaped half cylinder with a diameter of 6 m and base length 20 m. At least how many m2 of plastic is need to its cover?
  17. Quotient 3
    fractal_5 If the quotient of 8/13 and 2 is subtracted from the product of 1 3/4 and 8/21, what is the difference?
  18. Kilo candy
    bonbons_11 One kilogram of chocolate candy cost 10 euros. Kate buys 250 grams and had the 8 pack of candy. How much does cost one bonbon?
  19. Straight lines
    kruh.JPG Draw two lines c, d so that c || d. On line c mark points A, B, from point A start perpendicular to line c, from point B perpendicular to line c.
  20. Three figures - numbers
    numbers34 The sum of three numbers, if each is 10% larger than the previous one, is 662. Determine the figures.

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