\(A = \{-10, -9, -8, -7, -6, -5, -4\}\)
\(B = \left\{-\dfrac12, -\dfrac13, -\dfrac15, 0, \dfrac15, \dfrac13, \dfrac12\right\}\)
If a number is to be randomly selected from set \(A\) above and a number is to be randomly selected from set \(B\) above, what is the probability that the product of the two numbers will be a negative integer?
A. \(\dfrac8{49}\)
B. \(\dfrac{12}{49}\)
C. \(\dfrac{13}{49}\)
D. \(\dfrac{18}{49}\)
E. \(\dfrac{21}{49}\)
Answer: A
Source: GMAT Club Tests