US Math Questions

In game theory, what is a game called where a win for one player requires a loss for an opponent?
  • Zero-sum Correct 23,974
  • Reciprocal 6,545
  • Reflective outcome 8,179

16,009 eliminated Math

A rhombus and a parallelogram are both examples of what kind of shape?
  • Triangle 21,706
  • Quadrilateral Correct 339,011
  • Pentagon 27,463

53,834 eliminated Math

A prime number that is also prime when read backward is called a what?
  • Inverse prime 86,455
  • Superprime 53,140
  • Emirp Correct Savage 18,521

142,713 eliminated Math

14 pounds is equivalent to what British unit of measurement?
  • Tonne 32,024
  • Kilo 125,858
  • Stone Correct 443,546

163,160 eliminated Math

In the equation 1+2=3, which term can only describe the number “1”?
  • Addend 3,261
  • Augend Correct 1,232
  • Minuend 792

4,165 eliminated Math

22 divided by 7 is sometimes used as an approximation of what mathematical constant?
  • √10 825
  • e 1,409
  • Pi Correct 12,458

2,457 eliminated Math

A pyramid with a triangular base is called what?
  • Dodecahedron 1,991
  • Tetrahedron Correct 17,278
  • Prismoid 8,998

11,394 eliminated Math

Which of these people wrote a book on math that remained popular for over two millennia?
  • Archimedes 1,252
  • Euclid Correct 4,796
  • Pythagoras 3,165

4,478 eliminated Math

What Greek letter typically denotes a missing angle in a trigonometry problem?
  • Omega 5,507
  • Theta Correct Savage 22,727
  • Delta 17,054

22,872 eliminated Math

What typographical symbol is commonly used to indicate degrees of temperature?
  • Quotation marks 6,944
  • Circle Correct 175,938
  • Cross 3,014

16,091 eliminated Math

Which of these shapes is NOT considered an equilateral quadrilateral?
  • Square 15,034
  • Rhombus 86,432
  • Trapezoid Correct 206,296

106,281 eliminated Math

Isosceles and equilateral are two kinds of what geometric shape?
  • Circle 3,270
  • Triangle Correct 279,895
  • Sphere 8,715

15,420 eliminated Math