Grade - examples - page 138

  1. Sequence
    mandlebrot Find the common ratio of the sequence -3, -1.5, -0.75, -0.375, -0.1875. Ratio write as decimal number rounded to tenth.
  2. 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?
  3. Assistant
    psaci-stroj Assistant rewrote 15% of the entire manuscript in 12 hours. How many hours must still write to rewrite the rest of the manuscript?
  4. 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?
  5. Base, percents, value
    percent_1 Base is 344084 which is 100 %. How many percent is 384177?
  6. 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?
  7. Pumps
    pumps Five pumps pumped 1,800 hl of water for 3 hours. How many hectoliters of water pump same two powerful pumps for six hours?
  8. Pool
    bazen-2-05_1 The pool has the shape of a cylinder with a diameter 4.6m, the presumed height is 130cm. The bucket fits 12l of water. How many buckets do you have to bring to fill this pool?
  9. Number
    numbers_10 Which number is 17 times larger than the number 6?
  10. Gas consumption
    vessel The vessel consume 100 tons of gas in 250 miles. How many fuel will the vessel consume if it travels 400 miles?
  11. Line segment
    lines_5 Cut a line segment of 15 cm into two line segments so that their lengths are in ratio 2:1. What length will each have?
  12. 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?
  13. Disco
    vencek On the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples?
  14. Microsaving
    boy_1 Honza saved 72 crowns. Pepík saved 9 crowns more than Honza. How many crowns saved Pepík?
  15. 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?
  16. 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?
  17. 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?
  18. Answer
    juice Mam used 9 red, 9 green apples and 3 pears to prepare juice. How many pieces of fruit used by mom to prepare this juice?
  19. Three figures - numbers
    numbers34 The sum of three numbers, if each is 10% larger than the previous one, is 662. Determine the figures.
  20. Saving per cents
    penize.JPG The first day I save 1 cent and every next day cent more. How many I saved per year (365 days)?

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