Grade - math word problems

  1. Circles 2
    zlozite_kruznice Calculate the area bounded by the circumscribed and inscribed circle in triangle with sides 12 cm, 14 cm, 18 cm.
  2. Bureau of Labor
    UPSVAR Bureau of Labor is a state institution that provides mike and the rest for their so-called clients. The mission of the Bureau of Labor is spend taxpayer money to provide relaxation and benefits to those who do not want to work. Popularly speaking sense th
  3. Shots
    broky 5500 lead shots with diameter 4 mm is decanted into a ball. What is it diameter?
  4. Height
    thales_law Is right that in any right triangle height is less or equal half of the hypotenuse?
  5. Sequence
    seq Calculate what member of the sequence specified by ? has value 86.
  6. Reciprocal
    inverse It is true (prove it) that if a> b> 0: ?
  7. Sphere
    1sphere The surface of the sphere is 12100 cm2, and the weight is 136 kg. What is its density?
  8. Is equal
    Shazam Is equal following terms? ?
  9. Roots
    parabola Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
  10. Octagon
    8gon We have a square with side 84 cm. We cut the corners to make his octagon. What will be the side of the octagon?
  11. Arc and segment
    odsek_kruh Calculate the length of circular arc l, area of the circular arc S1 and area of circular segment S2. Radius of the circle is 33 and corresponding angle is ?.
  12. Diofant 2
    1diofantos Is equation ? solvable on the set of integers Z?
  13. Powers
    math_fun Is true for any number a,b,c equality:? ?
  14. Pumps
    pool_pump The tank is filled with two pumps in 16 minutes. The first pump is filled in 30 minutes earlier than two one. How many minutes is filled with the first pump?
  15. Binomials
    two_persons To binomial ? add a number to the resulting trinomial be square of binomial.
  16. Biquadratic
    bikvadraticka By introducing a new variable solve biquadratic equation: ?
  17. Meridian
    Globe What is the distance (length) the Earth's meridian 23° when the radius of the Earth is 6370 km?
  18. Determine the number
    fib2 Determine the number x that ?.
  19. Root
    sq_root Use law of square roots roots: ?
  20. Subsets
    1venna_sets How many are all subsets of set ??

Do you have an interesting mathematical word problem that you can't solve it? Enter it, and we can try to solve it.



We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...