Multiplication - examples - page 15

  1. Prize
    metals_1 How many ways can be rewarded 9 participants with the first, second and third prize in a sports competition?
  2. Ratio - proportion
    ratios2 Reduce the number 16 in proportion 3:2 5:4 11:8
  3. Price increase 2x
    percents_3 If two consecutive times we increase the price of the product by 20%, how many % is higher final price than the original?
  4. Rolls
    rozky_2 Mom every day buys 6 rolls. On Friday buys 2 times as much. How many rolls buys on Friday?
  5. Pie
    pie_1 Vili ate three pieces of pie . If it piece is 1/8 how much pie did he eat?
  6. Multiples
    numbers2_7 Find all multiples of 10 that are larger than 136 and smaller than 214.
  7. Warmer weather
    teplomer_1 This morning it was -6 °C. What temperature did the thermometer show yesterday if it was three times warmer?
  8. Evaluate expression
    mixed_fractions.JPG Evaluate expression using BODMAS rule: 1 1/4+1 1/5÷3/5-5/8
  9. Notebooks
    Notebook_1 Liza a store owner buys 560 notebooks. He sold 3/8 of the notebook then she adds the stocks of notebook of 1/4 of the number of notebooks she bought. What is the total number of notebook she bought?
  10. Brackets 2
    brackets Add parenthesis to make true: 5-2×6-4+2=5
  11. Pins 2
    pin_keyboard how many different possible 4 digits pins can be found on the 10-digit keypad?
  12. Dinosaurs
    dino More than 30 and less than 60 dinosaurs have met at the pond. A quarter of them bathed and 1/7 saws and the rest gripped. How many were at the pond? How many were there?
  13. Rate or interest
    penize_45 At what rate percent will Rs.2000 amount to Rs.2315.25 in 3 years at compound interest?
  14. Barrels
    sudy_3 Peter has 42 barrels. One-sixth of them are filled with lemonade, one third is filled with wine and half is empty. Calculate how many barrels are with each filling.
  15. Water tank
    water_6 In an empty fire tank, 2150 hl of water jetted in 5 hours. How many hectoliters of water was jetted every hour? How many hectoliters of water was in the tank after three hours?
  16. Dinning room
    cukriky_14 How many different combinations can we choose if there are 3 soups, 5 kinds of main dish and 2 desserts in the dining room?
  17. Tailor 5
    textiles_1 A tailor uses 13/4m of cloth to stitch a skirt. How many metres of cloth is needed to stitch 16 skirts?
  18. The square
    numbers_49 The square root of 25 times the square root of 81 is what number?
  19. What is
    number_line_7 What is the value of the smaller of a pair of numbers for which their sum is 78 and their division quotients are 0.3?
  20. Icecreams
    zmrzlina_4 Karthik bought 30 icecreams for his birthday .2/5 of them are chocolate icecreams. Find the number of chocolate icecreams he bought?

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