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应用题 150, 200, 250, n. Which of the following could be the median of the 4 integers listed above?I.175II.215III.235
In isosceles triangle PQR, if the measure of angle P is 80º, which of the following could be the measure of angle R?I. 20ºII. 50ºIII. 80º
300难题 If $$\frac{s}{t}$$= 2, then the value of which of the following can be determined? I $$\frac{2t}{s}$$ II $$\frac{s-t}{t}$$ Ill $$\frac{t-1}{s-1}$$
OG19-数学分册 When 24 is divided by the positive integer n, the remainder is 4. Which of the following statements about n must be true? I. n is even. II. n is a multiple of 5. Ill. n is a factor of 20.
OG19-数学分册 A square wooden plaque has a square brass inlay in the center, leaving a wooden strip of uniform width around the brass square. If the ratio of the brass area to the wooden area is 25 to 39, which of the following could be the width, in inches, of the wooden strip? I. 1 II. 3 Ill. 4
Ready4

A square patch from a quilt has a square interior surrounded by a border of uniform width. If the ratio of the area of the interior of the patch to the area of its border is 100 to 44, which of the following could be the width, in centimeters, of the border?

  I.

 II.

III.

Ready4

If , which of the following must be true?

I. is positive.

II.

III.

It can be inferred from the passage that the efficiency of model-based gold exploration depends on which of the following?I. The closeness of the match between the geological features identified by the model as critical and the actual geological features of a given areaII. The degree to which the model chosen relies on empirical observation of known mineral deposits rather than on theories of ore forming processesIII. The degree to which the model chosen is based on an accurate description of the events leading to mineralization
PREP07 Test 1 If the operation * is defined for all integers a and b by a*b=a+b-ab which of the following statements must be true for all integers a, b, and c ?I. a*b=b*aII. a*0=aIII. (a*b)*c=a*(b*c)
200301 One side of the parallelogram is 7 and the other is 6. Which of the following could be the area of the parallelogram?
I. 21
II. 42
III. 64
PREP07 Test 1 I. 72, 73, 74, 75, 76II. 74, 74, 74, 74, 74III. 62, 74, 74, 74, 89The data sets I, II, and III above are ordered from greatest standard deviation to least standard deviation in which of the following?
Magoosh Consider these three quantities:Ⅰ$$.\frac{49！}{48！}$$Ⅱ.$${49！}\over({7！})^{2}$$Ⅲ.Ⅱ.$${49！}\over({42！）（7！})$$Rank these three quantities from least to greatest.
Magoosh GMAT、gmat题库、gmat模考、gmat考满分Rank those three in order from smallest to biggest.
Magoosh Two sides of a triangle have length 6 and 8. Which of the following are possible areas of the triangle? I. 2 II. 12 III. 24
The operation $$\Theta$$ is defined by $${x}\Theta{y}=\frac{1}{x}+\frac{1}{y}$$ for all nonzero numbers x and y. If z is a number greater than 1, which of the following must be true? I. $$z\Theta(-z) = 0$$II.$${z}\Theta{\frac{z}{z-1}}={1}$$III. $$(\frac{2}{z})\Theta(\frac{2}{z})={z}$$
A geometric sequence is one in which the ratio of any term after the first to the preceding term is a constant. If the letters a, b, c, d represent a geometric sequence in normal alphabetical order, which of the following must also represent a geometric sequence for all values of k?I. dk,ck,bk,akII.a+k,b+2k,c+3k,d+4kIII.$$ak^{4},bk^{3},ck^{2},dk$$
PREP07 Test 1 If x >$${y}^{2}$$ >$${z}^{4}$$, which of the following statements could be true?I. $$x >{y}>{z}$$II. $$z >{y}>{x}$$III.$$x>{z}>{y}$$
Ready4

If , which of the following statements must decrease as decreases?

  I.

 II.

III.

The value of $$-{3}+\sqrt{9-k}$$ is positive for which of the following values of k ? I. -1 II. 0 III. 1
191020 It is given that:√x and √y are integers, which of the following must be an integer?
I. √x√y
II. √（x+y）
III. √x/√y