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Filed under Difficult GMAT Questions, GMAT Data Sufficiency by raviraushanjha on September 4, 2008 at 12:48 am
{18 comments}
If x and y are positive integers, what is the value of xy?
(1) The greatest common factor of x and y is 10.
(2) The least common multiple of x and y is 180.
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
Filed under GMAT Problem Solving, GMAT Question of the Day by raviraushanjha on August 27, 2008 at 6:08 am
{23 comments}
Company X has n regional offices, where n represents an even integer. Each regional office must recommend two candidates, one male and one female, to serve on the corporate auditing committee. If each of the offices must be represented by exactly one member on the auditing committee and if the committee must consist of an equal number of male and female employees, how many different committees can be formed?
(A) Square of (.5n)
(B) n!/(Square of ((.5n)!))
(C) Square of (n!/((0.5n)!(.5n)!)))
(D) n!/((0.5n)!)
(E) n!
Filed under Average, Average difficult GMAT Questions by raviraushanjha on August 23, 2008 at 9:06 pm
{16 comments}
If x= 3y , is x^2 > y^2 ?
1 ) y+x > y-x
2) x^2 = 9y^2
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
Filed under Easy GMAT Questions, GMAT Data Sufficiency by raviraushanjha on August 13, 2008 at 5:17 am
{32 comments}
The Question has been edited
from x2-y2 => x^2 – y^2
————————————–
Is x^2 – y^2 a positive number?
(1) x – y is a positive number.
(2) x + y is a positive number.
A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D) EACH statement ALONE is sufficient.
E) Statements (1) and (2) TOGETHER are NOT sufficient.
Filed under GMAT Problem Solving by raviraushanjha on August 10, 2008 at 5:23 pm
{29 comments}
m is a positive integer >0. f(m) = 3m for every odd value of m, m=(1/2)m for every even value of m. f(9) * f(6) ?
a) 81
b) 64
c) 27
d) 9
e) 6
Filed under Average, Average difficult GMAT Questions by raviraushanjha on August 9, 2008 at 4:20 pm
{37 comments}
What is the ratio of the average (arithmetic mean) height of students in class X to the average height of students in class Y?
(1) The average height of the students in class X is 120 centimeters.
(2) The average height of the students in class X and class Y combined is 126 centimeters.
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
Filed under GMAT Sentence Correction by raviraushanjha on August 8, 2008 at 12:50 am
{8 comments}
This sentence was marked as correct in Manhattan Sentence correction. can any one please explain as to how is it justified.
A majority of railway commuters reads or listens to music while travelling.
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