For the quadratic equation 2x² + 4x + k = 0 to have real roots, what must be the condition on k?

B. K ? 8
Posted in:  Quadratic Equations -  Algebra -  Mathematics

What is the greatest common divisor (GCD) of 36 and 60?

A. 12
Posted in:  Numbers -  Arithmetic -  Mathematics

If 12:36 is related as 15:45, then which of the following pairs is similarly related?

B. 21:63
Posted in:  Number Analogy -  Analogy -  Verbal Reasoning

Tree is to Leaf as Flower is to ?

A. PETAL
Posted in:  Complete Analogous Pair -  Analogy -  Verbal Reasoning

CAT is to K9 as DOG is to ?

D. K9
Posted in:  Complete Analogous Pair -  Inserting the Missig Character -  Verbal Reasoning