Arithmetic - examples

  1. Truck
    truck_4 The truck passed 4550 km in 5 days. The first three days passed every day the same way. The fourth day passed 630 km and the fifth day was 920 km. How many km has passed the first three days?
  2. Pins 2
    pin_keyboard how many different possible 4 digits pins can be found on the 10-digit keypad?
  3. Cuboid edges in ratio
    cuboid_11 Cuboid edges lengths are in ratio 2:4:6. Calculate their lengths if you know that the cuboid volume is 24576 cm3.
  4. Tailor
    oblek2 From the rest of the cloth tailor could cut off either 3 m in men's suits without vest or 3.6 m with vest. What shortest possible length could the rest of the cloth have? How many suits a) without a vest b) with vest could make the tailor from the re
  5. April (month)
    coins_2 April has 30 days. Roman saves his money in the box for the whole month. Every third day you saves 10 cents. How many cents did Roman saved during the whole month when start saving on April 1?
  6. Product of two fractions
    numbers_47 Product of two fractions is 9 3/5 . If one of the fraction is 9 3/7. Find the other fraction.
  7. Pie
    pie_1 Vili ate three pieces of pie . If it piece is 1/8 how much pie did he eat?
  8. Pagans
    circles2_3 Elena cut out same circle-shaped pagans and put them on a rectangular sheet so that the neighboring pagans were touching each other and the pagans were touching the walls of the sheet on the edges. Each pagans occupied 28.26 cm2 of the bottom of the sheet.
  9. Cremons
    wagon The freight wagon is shaped like cuboid 21m and 3.5m and 4.2m How many cremons can be loaded if one is a cube with an edge length of 7 cm?
  10. Stones in aquarium
    akvarko_7 In an aquarium with a length 2 m; width 1.5 m and a depth of 2.5 m is a water level up to three-quarters of the depth. Can we place stones with a volume of 2 m3 into the aquarium without water being poured out?
  11. Divisibility
    divisibility Is the number 109433 divisible by 7?
  12. Chocolate
    cokolada Charlie bought 7 same chocolates for 14 Eur. How many euros he pay for 27 chocolates?
  13. One half
    one_half One half of ? is: ?
  14. Family
    bigfamily The parents had 2 daughters. Each of them had one brother. How many members family had?
  15. Brick
    brick One brick is 2 kg and half a brick heavy. What is the weight of one brick?
  16. Orchard
    orchard 5 trees in 3 lines grows in the orchard. How many trees are in the orchard?
  17. Balls
    balls I have 12 balls and my friend has 18. About how many has my friend more balls?
  18. Cyclist
    cyclist_2 A cyclist passes 88 km in 4 hours. How many kilometers he pass in 8 hours?
  19. Compare
    fraction Compare fractions ?. Which fraction of the lower?
  20. Is right?
    rtriangle Is triangle with sides 24, 51 and 45 right triangle?

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