For the quadratic equation 2x^2 - 4x + k = 0 to have real roots, what must be the minimum value of k?

B. 2
Posted in:  Quadratic Equations -  Algebra -  Mathematics

In a family, A is the son of B, and B is the daughter of C. If C has two children, one of whom is B, what is the relationship of A to C?

A. GRANDSON
Posted in:  Family-Based Problems -  Puzzle Test -  Verbal Reasoning

B is ranked 5th from the bottom in a group of 25 people. What is B's rank from the top?

B. 20TH
Posted in:  Ranking Sequence -  Number-Ranking-Time Sequence -  Verbal Reasoning

In a group of five people, A, B, C, D, and E, each person has a different favorite color: Red, Blue, Green, Yellow, and Black. A does not like Red or Blue. B likes Green. C does not like Yellow. D likes Red. What color does E like?

D. BLACK
Posted in:  Jumbled Problems -  Puzzle Test -  Verbal Reasoning

What is the product of the roots of the quadratic equation x^2 - 7x + 10 = 0?

A. 10
Posted in:  Quadratic Equations -  Algebra -  Mathematics