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Researchers have questioned the use of costly and experimental diagnostic tests to identify food allergies, such as milk

Researchers have questioned the use of costly and experimental diagnostic tests to identify food allergies, such as milk, that supposedly disrupt normal behavior. (A) to identify food allergies, such as (B) to identify food allergies, like (C) to identify food allergies, such as to (D) for identifyi...


Due to an obscure technicality in food labeling known as the batter-coating rule, French fries are legally considered

Due to an obscure technicality in food labeling known as the batter-coating rule, French fries are legally considered fresh vegetables. The batter-coating rule stipulates that any vegetable that has been processed – such as a cucumber that has been waxed or a strawberry that has been sweetened – is ...


In a certain school, there are 80 Freshmen, 100 Sophomores, and 220 Upperclassmen, drawn from three cities: A, B, and C.

In a certain school, there are 80 Freshmen, 100 Sophomores, and 220 Upperclassmen, drawn from three cities: A, B, and C. Sixty percent of students are from A, 30% from B, the rest from C, and all these students from C are freshmen. Half the student from B are upperclassman, and the rest are split ev...


What is the value of a?

What is the value of a?


(1) -(a + b) = 2a – b + 9

(2) a + b = 6


OA A

Source: Manhattan Prep

by BTGmoderatorDC

Wed Sep 23, 2020 8:40 pm
Forum: Data Sufficiency
Topic: What is the value of a?
Replies: 0
Views: 4

Although offering a dynamic range simply absent on the harpsichord, the original fortepiano, invented in the early eight

Although offering a dynamic range simply absent on the harpsichord, the original fortepiano, invented in the early eighteenth century — indeed the name comes from the Italian forte (“loud”) + piano (“soft”) — the fortepiano would now sound dynamically limited compared to our modern grand pianos. (A...


If shoplifting at ToySMart continues at the current rate, the shop's owner will be forced to close the store. Raising

If shoplifting at ToySMart continues at the current rate, the shop's owner will be forced to close the store. Raising the prices of the goods sold at ToySMart by 10% will help make up the shortfall in the store's income; this change will therefore protect ToySMart from having to close. Which of the ...


Each term of a certain sequence is calculated by adding a particular constant to the previous term.

Each term of a certain sequence is calculated by adding a particular constant to the previous term. The 2nd term of this sequence is 27 and the 5th term is 84. What is the 1st term of this sequence?

(A) 20
(B) 15
(C) 13
(D) 12
(E) 8


OA E

Source: Manhattan Prep


The sum of the ages of Lindsey and Meghan is y, and Lindsey is exactly 9 years older than Meghan. Natalie is how many

The sum of the ages of Lindsey and Meghan is y, and Lindsey is exactly 9 years older than Meghan. Natalie is how many years older than Meghan? (1) In y years, Meghan will be exactly three times as old as Natalie is now. (2) Lindsey is exactly 6 years older than Natalie. OA D Source: Veritas Prep


A month ago, a well respected sell-side analyst released a report predicting that prices in equity markets will reach

A month ago, a well respected sell-side analyst released a report predicting that prices in equity markets will reach record highs in the next 12 months. Immediately after the release of the report, some institutional investors who feared a continuing loss of shareholder value publicly expressed opt...


The ancient Nubians inhabited an area in which typhus occurred, yet surprisingly few of their skeletons show the usual

The ancient Nubians inhabited an area in which typhus occurred, yet surprisingly few of their skeletons show the usual evidence of this disease. The skeletons do show deposits of tetracycline, an antibiotic produced by a bacterium common in Nubian soil. This bacterium can flourish on the dried grain...


Barry builds sand castles 50% faster than Michelle. If it takes Michelle 48 minutes to build a sand castle, how many

Barry builds sand castles 50% faster than Michelle. If it takes Michelle 48 minutes to build a sand castle, how many minutes does it take Barry to build a sand castle?

A. 16
B. 20
C. 24
D. 32
E. 40



OA D

Source: Veritas Prep


If Carl is 3 times as old as Bea, how old is Bea?

If Carl is 3 times as old as Bea, how old is Bea?


(1) In nine years, Carl will be twice as old as Bea.

(2) Six years ago, Carl was 7 times as old as Bea.


OA D

Source: Magoosh

by BTGmoderatorDC

Mon Sep 21, 2020 4:35 pm
Forum: Data Sufficiency
Topic: If Carl is 3 times as old as Bea, how old is Bea?
Replies: 0
Views: 13

The primary drama of Homers famed Iliad revolves around anger amongst the renowned and wrathful warrior Achilles and

The primary drama of Homer's famed Iliad revolves around anger amongst the renowned and wrathful warrior Achilles and Agamemnon, the King of Mycenae and the leader of Achaean army. A. revolves around anger amongst the renowned and wrathful warrior Achilles and Agamemnon, the King of Mycenae and the ...


The staff of Soundview School is spending more and more of its time taking care of children whose parents do not arrive

The staff of Soundview School is spending more and more of its time taking care of children whose parents do not arrive to pick them up from class on time. As a result, more teachers will have to be hired. The school could, instead, charge parents a nominal fee whenever they fail to arrive to pick t...


A bank employee invested $2500 in January 2000 at 5% rate of interest p.a. The bank revised the rate of interest to 6%

A disc jockey plays only hip - hop and country - western records. If the disc jockey plays four country - western records for every seven hip - hop records, what fraction of the records he plays are country western?

1. 4/5

2. 7/11

3. 4/7

4. 4/11

5. 1/28



OA D

Source: Princeton Review