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.

The distinctive hereditary tartans that are alleged to be worn since antiquity by members of the Highland clans were in fact designed by Scottish woolen manufacturers in the eighteenth and nineteenth centuries.
(A) that are alleged to be worn
(B) alleged to have been worn
(C) that are worn, it was alleged
(D) alleged as having been worn
(E) that are worn, allegedly

The woodland sub-species were in isolation from contact with humans longer than either their marsh cousins or the tree-dwelling sub-species.

A .in isolation from contact with humans longer than
B. isolated from contact with humans longer than
C. in isolation from contact with humans longer than were
D. isolated from contact with humans longer than were
E. in isolation and without contacts with humans longer than

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.

Can u help me solve this sentence correction also. I have got 2 different answers from 2 different sources

Neanderthals had a vocal tract that resembled those of the apes and so were probably without language, a shortcoming that may explain why they were supplanted by our own species.

(A) Neanderthals had a vocal tract that resembled those of the apes
(B) Neanderthals had a vocal tract resembling an ape’s
(C) The vocal tracts of Neanderthals resembled an ape’s
(D) The Neanderthal’s vocal tracts resembled the apes’
(E) The vocal tracts of the Neanderthals resembled those of the apes

Jake, Lena, Fred, John and Inna need to drive home from a party in a car that can seat 7 people. If only Inna or Jake can drive, how many seat allocations are possible?

a. 30
b. 42
c. 60
d. 120
e. 125

Because natural gas is composed mostly of methane, a simple hydrocarbon, vehicles powered by
natural gas emit less of certain pollutants than the burning of gasoline or diesel fuel.
(A) less of certain pollutants than the burning of gasoline or diesel fuel
(B) fewer of certain pollutants than burning gasoline or diesel fuel do
(C) less of certain pollutants than gasoline or diesel fuel
(D) fewer of certain pollutants than does burning gasoline or diesel fuel
(E) less of certain pollutants than those burning gasoline or diesel fuel

For almost five thousand years after its beginning 2.5 million years ago, Homo habilis roamed the earth, lived in semi-permanent camps, gathered food and shared their economy.

A. For almost five thousand years after its beginning 2.5 million years ago,
B. Beginning 2.5 million years ago for a period of almost five thousand years,
C. Beginning a period of almost five thousand years 2.5 million years ago,
D. During five thousand years, a period beginning 2.5 million years ago,
E. Over a period of five thousand years beginning 2.5 million years ago,

46. According to Interstudy, a nonprofit organization that studies health maintenance organizations (HMO’s), they estimate that, in comparison to last year, when only 36 percent of the nation’s 607 HMO’s was profitable, this year 73 percent will be.

(A) they estimate that, in comparison to last year, when only 36 percent of the nation’s 607 HMO’s was profitable, this year 73 percent will be
(B) compared to only 36 percent of the nation’s 607 HMO’s being profitable last year, they estimate 73 percent would be this year
(C) only 36 percent of the nation’s 607 HMO’s were profitable last year; it estimates that this year 73 percent will be
(D) it estimates 73 percent of the nation’s 607 HMO’s would be profitable this year; last year that was only 36 percent
(E) only 36 percent of the nation’s 607 HMO’s last year were profitable, whereas they estimate it this year to be 73 percent

2 cars are 120 miles apart.If both cars go at a constant speed with one of them going at 30/mph and the other 40/mph – how far apart will the 2 cars be in exactly 1 hour before they meet?

A) 10
B) 50
C) 70
D) 110
E) None of these

A total of 9 women and 12 men reside in the 21 apartments that are in a certain apartment building, one person to each apartment. If a poll taker is to select one of the apartments at random, what is the probability that the resident of the apartment selected will be a woman who is a student?
(1) Of the women, 4 are students.
(2) Of the women, 5 are not students.

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.

Memorise 500 High Frequency RC wordlist in 5 classes

# Includes words reported by Actual Test Takers.
# Example sentences/ Usage/Word Origin/. Photographs/ Movie Clips/ Voice/ Funny Story/ Cartoons/ Root words/ Prefix/ Suffix/ word in Context
# Words hand picked after researching innumerable GMAT tests.

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