Arithmetic - math word problems

  1. Im>0?
    ReIm Is -10i a positive number?
  2. Digits
    numbers_2 Write the smallest and largest 1-digit number.
  3. Trio
    work Trio of workers earn 750 euros. Money divided by the work that each of them made​​. First received twice as the second, the second received three times more than the third. How many got everyone from workers?
  4. Reciprocal
    complex_numbers Calculate reciprocal of z=0.8-1.8i:
  5. Rotary cone
    cone_2 Rotary cone whose height is equal to the circumference of the base, has a volume 229 cm3. Calculate the radius of the base circle and height of the cone.
  6. Efficiency of rail
    vlak With subsidies are business easy. Calculate how much must cost rail ticket (x) in today's ticket price € 11 and if the trains was not subsidized, if it is known that without subsidies would cost three times today's ticket prices. Calculate the value of
  7. Clock
    hodiny How many times a day hands on a clock overlap?
  8. R Trapezium
    Trapezium_example Rectangular trapezium has bases 12 and 5 and area 84 cm2. What is its perimeter?
  9. Interest
    dollars Calculate how much you earn for 10 years 43000 deposit if the interest rate is 1.3% and the interest period is a quarter.
  10. Overload
    banking_glider Calculate how many g's (gravity accelerations) feel glider pilot when turning the horizontal circles of radius 148 m flying at 95 km/h. Centripetal acceleration is proportional to the square of the speed and inversely proportional to the radius of rotatio
  11. Vans
    shuttlevan In how many ways can 9 shuttle vans line up at the airport?
  12. AVG of INT
    seq_moon What is the average of the integers from 9 throuht 52 inclusive?
  13. Center
    circle Calculate the coordinates of the circle center: ?
  14. Hours
    watch_1 How many hours is 9 days?
  15. ABS
    sphere_nice What is the value of ? ?
  16. Exp
    old_calculator If ?, then n is:
  17. Candy
    bulls How many ways can divide 10 identical candies to 5 children?
  18. Reciprocal
    rec_gamma What is the reciprocal of the sum of the reciprocals of 4 and 9?
  19. Product
    multiplicationchart The sum and the product of three integers is 6. Write largest of them.
  20. Gain
    solar Find the gain whenever the output power is 21x the input power.

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