If x² − 2 < 0, which of the following specifies all the possible values of x? A. 0 < x < 2 B. 0 < x < √2 C. -√2 < x < √2 D. -2 < x < 0 E. -2 < x < 2 Correct Answer: C Full explanation coming soon. Send us a note
The function f is defined by f(x)=√x −10 for all positive numbers x. If u = f(t) for some positive numbers t and u, what is t in terms of u? A. √(√u + 10) B. (√u + 10)² C. √(u² + 10) D. (u + 10)² E. (u² + 10)² Correct Answer: D Full explanation coming soon. Send us a note if you’d like this added to the
A total of s oranges are to be packaged in boxes that will hold r oranges each, with no oranges left over. When n of these boxes have been completely filled, what is the number of boxes that remain to be filled? A. s – nr B. s – n/r C. rs – n D. s/n – r E. s/r –
What number is 108 more than two-thirds of itself? A. 72 B. 144 C. 162 D. 216 E. 324 Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of practice questions, explanations for GMAT Official Guide questions, and strategies on our
What number is 108 more than two-thirds of itself? Read the Full Article »
If 2x + y = 7 and x + 2y = 5, then (x + y) / 3 = A. 1 B. 4/3 C. 17/5 D. 18/5 E. 4 Correct Answer: B Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of practice questions, explanations for GMAT Official Guide
If 2x + y = 7 and x + 2y = 5, then (x + y) / 3 = Read the Full Article »