Nova Press: Set A - Intro to Data Sufficiency

Question Name	Average time to answer (seconds)	Total correct answers	Total incorrect answers
10. If bowl S contains only marbles, how many marbles are in the bowl?( ... ...	92	14	7
9. Is −x − y > −u − v?( x < u and y < v.( x = 3, y = 4, ... ...	74	11	10
Is 500 the average (arithmetic mean) score on the GMAT?( Half of the ... ...	59	15	6
7. What is the area of the triangle above?( a = x, b = 2x, and c = 3x.( ... ...	72	10	14
6. If ◊ is a function, is the value of less than 9?( for all x and ... ...	63	16	8
5. How many students are enrolled in Math?( There are 72 students enrolled ... ...	46	19	5
What is the value of the positive, two-digit number x?( The sum of ... ...	75	18	6
What is the volume of rectangular box S?( The total surface area of ... ...	99	17	7
A number line will make the situation clearer:2. What is the remainder ... ...	78	15	10
1. Is p > q?( 0 < p < 0.5( 0.4 < q < 1( is not sufficient ... ...	40	19	9