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GMAT Club

Question of the Day (February 11)

Jeff 0

Quant

The equation x^2 + ax - b = 0 has equal roots, and one of the roots of the equation x^2 + ax + 15 = 0 is 3. What is the value of b?

A. -\frac{1}{64}
B. -\frac{1}{16}
C. -15
D. -16
E. -64

Question Discussion & Explanation

Correct Answer - D - (click and drag your mouse to see the answer)


Verbal

Marconi’s conception of the radio was as a substitute for the telephone, a tool for private conversation; instead, it is precisely the opposite, a tool for communicating with a large, public audience.

(A) Marconi’s conception of the radio was as a substitute for the telephone, a tool for private conversation; instead, it is
(B) Marconi conceived of the radio as a substitute for the telephone, a tool for private conversation, but which is
(C) Marconi conceived of the radio as a tool for private conversation that could substitute for the telephone; instead, it has become
(D) Marconi conceived of the radio to be a tool for private conversation, a substitute for the telephone, which has become
(E) Marconi conceived of the radio to be a substitute for the telephone, a tool for private conversation, other than what it is,

Question Discussion & Explanation

Correct Answer - C - (click and drag your mouse to see the answer)

Bonus RC Question of the Day

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