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Inhospitable places on our planet, from steaming hot springs to the thick ice of the polar regions, tend to be populated
Sentence Correction
Inhospitable places on our planet, from steaming hot springs to the thick ice of the polar regions, tend to be populated
Inhospitable places on our planet, from steaming hot springs to the thick ice of the polar regions, tend to be populated by specially adapted microbes flourishing, it seems, in these extreme conditions and are therefore called "extremophiles." (A) flourishing, it seems, in these extreme co...
- by BTGmoderatorDC
Sat Apr 22, 2023 6:04 pm- Forum: Sentence Correction
- Topic: Inhospitable places on our planet, from steaming hot springs to the thick ice of the polar regions, tend to be populated
- Replies: 1
- Views: 836
Illegal, unreported, and unregulated (IUU) fishing occurs in many countries, jeopardizing the sustainability of marine
Critical Reasoning
Illegal, unreported, and unregulated (IUU) fishing occurs in many countries, jeopardizing the sustainability of marine
Illegal, unreported, and unregulated (IUU) fishing occurs in many countries, jeopardizing the sustainability of marine resources and threatening the economic, social, and political stability of coastal states and communities. Such illegal activity is notoriously difficult to curb, and years can pass...
- by BTGmoderatorDC
Sat Apr 22, 2023 5:50 pm- Forum: Critical Reasoning
- Topic: Illegal, unreported, and unregulated (IUU) fishing occurs in many countries, jeopardizing the sustainability of marine
- Replies: 0
- Views: 1021
The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6
Problem Solving
The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6
The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 13 but less than 25, then P =
A. 15
B. 33
C. 34
D. 46
E. 51
OA E
Source: GMAT Prep
- by BTGmoderatorDC
Sat Apr 22, 2023 5:27 pm- Forum: Problem Solving
- Topic: The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6
- Replies: 0
- Views: 164
Katrina has a collection of N fiction books and 40 non-fiction books. The average number of pages in her 40 non-fiction
Data Sufficiency
Katrina has a collection of N fiction books and 40 non-fiction books. The average number of pages in her 40 non-fiction
Katrina has a collection of N fiction books and 40 non-fiction books. The average number of pages in her 40 non-fiction books is 600. Is the average number of pages in her N fiction books less than 400? (1) the average number of pages in all (N + 40) is less than 478 pages (2) N < 59 OA C Source: Ma...
- by BTGmoderatorDC
Sat Apr 22, 2023 5:04 pm- Forum: Data Sufficiency
- Topic: Katrina has a collection of N fiction books and 40 non-fiction books. The average number of pages in her 40 non-fiction
- Replies: 0
- Views: 237
Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a
Problem Solving
Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a
Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a certain tank in 6/5 hours; pumps A and C, operating simultaneously, can fill the tank in 3/2 hours; and pumps B and C, operating simultaneously, can fill the tank in 2 hours. How many ho...
- by BTGmoderatorDC
Wed Apr 19, 2023 5:09 pm- Forum: Problem Solving
- Topic: Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a
- Replies: 0
- Views: 282
John and Mary own shares of stock in a certain company. Does John own more shares of the company's stock than Mary?
Data Sufficiency
John and Mary own shares of stock in a certain company. Does John own more shares of the company's stock than Mary?
John and Mary own shares of stock in a certain company. Does John own more shares of the company's stock than Mary? (1) Mary owns more than 500 shares of the company's stock. (2) The number of shares of the company's stock that John owns is 400 less than twice the number of shares of the company's s...
- by BTGmoderatorDC
Wed Apr 19, 2023 4:43 pm- Forum: Data Sufficiency
- Topic: John and Mary own shares of stock in a certain company. Does John own more shares of the company's stock than Mary?
- Replies: 0
- Views: 292
Each of the dinners served at a banquet was either chicken or beef or fish. The ratio of the number of chicken dinners
Data Sufficiency
Each of the dinners served at a banquet was either chicken or beef or fish. The ratio of the number of chicken dinners
Each of the dinners served at a banquet was either chicken or beef or fish. The ratio of the number of chicken dinners to the number of beef dinners to the number of fish dinners served at the banquet was 7:5:2, respectively. If there were more than 5 fish dinners served at the banquet, what was the...
- by BTGmoderatorDC
Mon Apr 17, 2023 8:52 pm- Forum: Data Sufficiency
- Topic: Each of the dinners served at a banquet was either chicken or beef or fish. The ratio of the number of chicken dinners
- Replies: 0
- Views: 260
Keats Library purchases a number of new books, all in the category of biography; the library does not acquire any other
Problem Solving
Keats Library purchases a number of new books, all in the category of biography; the library does not acquire any other
Keats Library purchases a number of new books, all in the category of biography; the library does not acquire any other books. With the addition of the new biographies, the biography collection of the library amounts to 37.5% of the new total number of books in the library. If prior to the purchase,...
- by BTGmoderatorDC
Thu Apr 13, 2023 12:20 am- Forum: Problem Solving
- Topic: Keats Library purchases a number of new books, all in the category of biography; the library does not acquire any other
- Replies: 1
- Views: 272
A class contains boys and girls. What is the probability of selecting a boy from a class?
Data Sufficiency
A class contains boys and girls. What is the probability of selecting a boy from a class?
A class contains boys and girls. What is the probability of selecting a boy from a class?
(1) There are 35 students in the class
(2) The ratio of boys to girls is 3:4
OA B
Source: Magoosh
- by BTGmoderatorDC
Thu Apr 13, 2023 12:04 am- Forum: Data Sufficiency
- Topic: A class contains boys and girls. What is the probability of selecting a boy from a class?
- Replies: 1
- Views: 456
The GMAT is scored on a scale of 200 to 800 in 10 point increments. (Thus 410 and 760 are real GMAT
Data Sufficiency
The GMAT is scored on a scale of 200 to 800 in 10 point increments. (Thus 410 and 760 are real GMAT
The GMAT is scored on a scale of 200 to 800 in 10 point increments. (Thus 410 and 760 are real GMAT scores but 412 and 765 are not). A first-year class at a certain business school consists of 478 students. Did any students of the same gender in the first-year class who were born in the same-named m...
- by BTGmoderatorDC
Tue Apr 11, 2023 8:23 pm- Forum: Data Sufficiency
- Topic: The GMAT is scored on a scale of 200 to 800 in 10 point increments. (Thus 410 and 760 are real GMAT
- Replies: 1
- Views: 387
Ranked among great mathematical scientists such as Archimedes, Kepler, and Newton, Abu Ali al-Hasan ibn al-Haytham,
Sentence Correction
Ranked among great mathematical scientists such as Archimedes, Kepler, and Newton, Abu Ali al-Hasan ibn al-Haytham,
Ranked among great mathematical scientists such as Archimedes, Kepler, and Newton, Abu Ali al-Hasan ibn al-Haytham, who was born in Iraq in 965 C.E., had experimented extensively with light and vision, laying the foundation for modern optics and also the notion of science being based on experiment a...
- by BTGmoderatorDC
Tue Apr 11, 2023 8:02 pm- Forum: Sentence Correction
- Topic: Ranked among great mathematical scientists such as Archimedes, Kepler, and Newton, Abu Ali al-Hasan ibn al-Haytham,
- Replies: 1
- Views: 934
During and immediately after periods of drought, algae populations in ponds and streams are so severely impacted that po
Critical Reasoning
During and immediately after periods of drought, algae populations in ponds and streams are so severely impacted that po
During and immediately after periods of drought, algae populations in ponds and streams are so severely impacted that populations that rely on algae, such as insect larvae, plummet, and subsequently, so do insect larvae dependent populations, such as minnows, and frogs. Which one of the following ca...
- by BTGmoderatorDC
Tue Apr 11, 2023 7:55 pm- Forum: Critical Reasoning
- Topic: During and immediately after periods of drought, algae populations in ponds and streams are so severely impacted that po
- Replies: 0
- Views: 1052
If a fair 6-sided die is rolled three times, what is the probability that exactly one 3 is rolled?
Problem Solving
If a fair 6-sided die is rolled three times, what is the probability that exactly one 3 is rolled?
If a fair 6-sided die is rolled three times, what is the probability that exactly one 3 is rolled?
A. 25/216
B. 50/216
C. 25/72
D. 25/36
E. 5/6
OA C
Source: Veritas Prep
- by BTGmoderatorDC
Mon Apr 10, 2023 6:45 pm- Forum: Problem Solving
- Topic: If a fair 6-sided die is rolled three times, what is the probability that exactly one 3 is rolled?
- Replies: 1
- Views: 290
Of the N candies in a bag, some are peppermint and the rest are spearmint.What is the value of N?
Data Sufficiency
Of the N candies in a bag, some are peppermint and the rest are spearmint.What is the value of N?
Of the N candies in a bag, some are peppermint and the rest are spearmint.What is the value of N? (1) If 1 peppermint candy were removed from the N candies,1/5 of the remaining candies would be peppermint. (2) If 2 spearmint candies were removed from the N candies, 1/4 of the remaining candies would...
- by BTGmoderatorDC
Mon Apr 10, 2023 6:33 pm- Forum: Data Sufficiency
- Topic: Of the N candies in a bag, some are peppermint and the rest are spearmint.What is the value of N?
- Replies: 0
- Views: 230
A virus sample multiplies itself by becoming 16 time itself every hour. But due to anti-agent present in the system,
Problem Solving
A virus sample multiplies itself by becoming 16 time itself every hour. But due to anti-agent present in the system,
A virus sample multiplies itself by becoming 16 time itself every hour. But due to anti-agent present in the system, only half of them survive every hour. If we start with x number of virus and after the 8 hours there are 2^40 viruses, what is the value of x? A. 2^16 B. 2^18 C. 2^21 D. 2^23 E. 2^25 ...
- by BTGmoderatorDC
Mon Apr 10, 2023 2:55 am- Forum: Problem Solving
- Topic: A virus sample multiplies itself by becoming 16 time itself every hour. But due to anti-agent present in the system,
- Replies: 0
- Views: 243