Multiplication - examples - page 4

  1. Triangle SSS
    triangle_ABC Calculate perimeter and area of ​​a triangle ABC, if a=40, b=36 and c=36.
  2. Promile
    promile Calculate the 4.6 ‰ of 199.
  3. Windows
    wall_w_windows Calculate the area of masonry to build wall with dimensions of 9 m × 4 m with 4 windows of size 64 cm × 64 cm.
  4. Gear wheels
    gear Two gear wheels, which fit together have number of teeth z1=128 and z2=94. Calculate the speed of the first wheel, if the second wheel rotates 1507 revolutions per minute.
  5. Coke
    uhlie From one ton of coal is produced 772 kg of coke for iron production. How many wagons of coal by 13 tonnes per day is needed for the blast furnace, which has a daily consumption of 1020 tons of coke?
  6. Profitable bank deposit 2012
    eurocoins Calculate the value of what money lose creditor with a deposit € 9500 for 4 years if the entire duration are interest 2.6% p.a. and tax on interest is 19% and annual inflation is 3.7% (Calculate what you will lose if you leave money lying idle at negative
  7. Similarity coefficient
    eqlateral_triangles The ratio of similarity of two equilateral triangles is 3.5 (ie 7:2). The length of the side of smaller triangle is 2.4 cm. Calculate the perimeter and area of ​​the larger triangle.
  8. Shelf
    bookshelf.JPG How many ways are there to arrange 6 books on a shelf?
  9. Chocolate
    cokolada_1 How many times should be broken chocolate consisting of 10 × 12 pieces to get the 120 parts?
  10. Discount
    sales_discount Product has been discounted twice by 15%. What is the total discount given?
  11. Orchard
    orchard 7 trees in 5 lines grows in the orchard. How many trees are in the orchard?
  12. Christmas
    vianoce Calculate how much of the school year (202 days long) take Christmas holidays 19 days long. Expressed as a decimal number and as a percentage.
  13. Chocholate
    chocolate-xy-axis Table of chocolate is divided into squares on its surface. Lengthwise has 15 squares and widthwise 19 squares. We must chocolate broke into individual squares. How many times we have broke it to get only individual squares? It is not permitted to break
  14. Chocolates
    Chocolate In the market have 4 kinds of chocolates. How many ways can we buy 23 chocolates?
  15. Phone numbers
    old_phone How many 7-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated?
  16. LCM
    calc_icon What is the least common multiple of 10, 30, 48?
  17. Homework
    old_phone_1 The monthly fee for the phone is 12 USD and for phone unit 0.08 USD. How much family pay phone in the first quarter Q1, if on January 1 had on the counter 97362 units and on April 1 97946 units.
  18. Pension or fraud
    dochodca_icon Imagine that your entire working life working honestly and pay taxes and to Social Insurance (in Slovakia). You have a gross wage 1110 Euros, you pay social insurance (you and your employer) monthly € 333 during 42 years and your retirement is 522 Eur
  19. Unknown x
    UnknownX If we add to unknown number 21, then divide by 6 and then subtract 51, we get back an unknown number. What is this unknown number?
  20. Hole
    vykop They fill shape hole with dimensions 2.9 m, 17 m, 15.2 m with 97 m3 of soil. How many percent it fill up?

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