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What is the value of \(a - b?\)

What is the value of \(a - b?\)

(1) \(a=b+4\)
(2) \((a-b)^2=16\)

Answer: A

Source: GMAT Paper Tests

by M7MBA

Fri May 07, 2021 7:31 am
Forum: Data Sufficiency
Topic: What is the value of \(a - b?\)
Replies: 0
Views: 20

What is the average (arithmetic mean) of \(x, y,\) and \(z?\)

What is the average (arithmetic mean) of \(x, y,\) and \(z?\)

(1) \(x + y = 5\)

(2) \(y + z = 7\)

Answer: E

Source: GMAT Paper Tests

by M7MBA

Fri May 07, 2021 7:29 am
Forum: Data Sufficiency
Topic: What is the average (arithmetic mean) of \(x, y,\) and \(z?\)
Replies: 0
Views: 22

If \(x > 0,\) is \(\dfrac{x}{y} > x ?\)

If \(x > 0,\) is \(\dfrac{x}{y} > x ?\)

(1) \(0 < y < 1\)
(2) \(x > 1\)

Answer: A

Source: GMAT Paper Tests

by M7MBA

Tue May 04, 2021 7:22 am
Forum: Data Sufficiency
Topic: If \(x > 0,\) is \(\dfrac{x}{y} > x ?\)
Replies: 0
Views: 33

If \(xy = -18,\) is \(x\) less than \(y?\)

If \(xy = -18,\) is \(x\) less than \(y?\)

(1) \(x < 0\)

(2) \(y < 10\)

Answer: A

Source: GMAT Prep

by M7MBA

Tue May 04, 2021 7:17 am
Forum: Data Sufficiency
Topic: If \(xy = -18,\) is \(x\) less than \(y?\)
Replies: 0
Views: 26

What is the ratio of \(\dfrac34\) to the product \(4\cdot \left(\dfrac34\right)?\)

What is the ratio of \(\dfrac34\) to the product \(4\cdot \left(\dfrac34\right)?\)

(A) \(\dfrac14\)

(B) \(\dfrac13\)

(C) \(\dfrac49\)

(D) \(\dfrac94\)

(E) \(4\)

Answer: A

Source: GMAT Paper Tests


If the symbol \(@\) represents either addition or multiplication, which operation does it represent?

If the symbol \(@\) represents either addition or multiplication, which operation does it represent?

(1) \([email protected] = [email protected]\) for all numbers \(a\) and \(b.\)
(2) \([email protected](b - c) = ([email protected]) - ([email protected])\) for all numbers \(a, b,\) and \(c.\)

Answer: B

Source: GMAT Prep


The sequence \(a_1, a_2, a_3, \ldots , a_n, \ldots\) is such that \(i \cdot a_i=j \cdot a_j\) for any pair of positive

The sequence \(a_1, a_2, a_3, \ldots , a_n, \ldots\) is such that \(i \cdot a_i=j \cdot a_j\) for any pair of positive integers \((i,j).\) If \(a_1\) is a positive integer, which of the following could be true? I. \(2\cdot a_{100}=a_{99}+a_{98}\) II. \(a_1\) is the only integer in the sequence. III....


What is the average (arithmetic mean) of \(j\) and \(k?\)

What is the average (arithmetic mean) of \(j\) and \(k?\)

(1) The average (arithmetic mean) of \(j + 2\) and \(k + 4\) is \(11.\)
(2) The average (arithmetic mean) of \(j, k,\) and \(14\) is \(10.\)

Answer: D

Source: GMAT Paper Tests

by M7MBA

Tue May 04, 2021 7:09 am
Forum: Data Sufficiency
Topic: What is the average (arithmetic mean) of \(j\) and \(k?\)
Replies: 0
Views: 25

A rectangular solid, \(x\) by \(y\) by \(z,\) is inscribed in a sphere so that all eight of its vertices are on the sphe

A rectangular solid, \(x\) by \(y\) by \(z,\) is inscribed in a sphere so that all eight of its vertices are on the sphere. If \(x, y\) and \(z\) are positive integers, and the radius of the sphere is \(\dfrac{\sqrt{14}}2,\) what is the volume of the rectangular solid? A. 6 B. 11 C. 12 D. 18 E. 22 A...


Machine \(M,\) working alone at its constant rate, produces \(x\) widgets every \(4\) minutes. Machine \(N,\) working

Machine \(M,\) working alone at its constant rate, produces \(x\) widgets every \(4\) minutes. Machine \(N,\) working alone at its constant rate, produces \(y\) widgets every \(5\) minutes. If machines \(M\) and \(N\) working simultaneously at their respective constant rates for \(20\) minutes, does...


Pumps \(A, B,\) and \(C\) operate at their respective constant rates. Pumps \(A\) and \(B,\) operating simultaneously,

Pumps \(A, B,\) and \(C\) operate at their respective constant rates. Pumps \(A\) and \(B,\) operating simultaneously, can fill a certain tank in \(\dfrac65\) hours; pumps \(A\) and \(C,\) operating simultaneously, can fill the tank in \(\dfrac32\) hours; and pumps \(B\) and \(C,\) operating simulta...


Is the perimeter of triangle \(ABC\) less than \(15\) centimeters?

Is the perimeter of triangle \(ABC\) less than \(15\) centimeters? (1) The lengths of the sides of triangle \(ABC\) are consecutive even integers in centimeters. (2) The sum of the lengths of the shortest and longest sides of triangle \(ABC\) is \(12\) centimeters. Answer: D Source: GMAT Club Tests