## Search found 2117 matches

#### Probability

##### Probability

A weighted coin has a probability p of showing heads. Is the value of $$p > 0.2?$$ 1) Successive flips are independent, and the probability of getting at least one head in two flips is greater than $$0.5$$. 2) The probability of getting tail on a flip of coin is less than $$0.8$$. The OA is D Source...

by swerve

Thu May 25, 2023 5:10 pm
Forum: Data Sufficiency
Topic: Probability
Replies: 0
Views: 5

#### Probability

##### Probability

A basket contains $$5$$ apples, of which $$1$$ is spoiled and the rest are good. If Henry is to select $$2$$ apples from the basket simultaneously and at random, what is the probability that the $$2$$ apples selected will include the spoiled apple? A. $$1/5$$ B. $$3/10$$ C. $$2/5$$ D. $$1/2$$ E. $$3... by swerve Thu May 25, 2023 5:03 pm Forum: Problem Solving Topic: Probability Replies: 1 Views: 9 #### Geometry, Word Problems ###### Problem Solving ##### Geometry, Word Problems A thin rectangular sheet of metal is \(6$$ inches wide and $$10$$ inches long. The sheet of metal is to be rolled into to form a cylinder so that one dimension becomes the circumference of the cylinder and the other dimension becomes the height. What is the volume of the largest possible cylinder? A...

by swerve

Thu May 25, 2023 4:54 pm
Forum: Problem Solving
Topic: Geometry, Word Problems
Replies: 0
Views: 4

#### A certain club has $$20$$ members. How many of the members of the club are female?

##### Re: A certain club has $$20$$ members. How many of the members of the club are female?

Source: Princeton Review A certain club has $$20$$ members. How many of the members of the club are female? 1. The ratio of male to female members in the club is $$3:2$$ 2. There are $$4$$ more male members in the club than female members The OA is D We can try as follow: 1. Sufficient $$M:F=3:2$$ ...

#### If an automobile averaged 22.5 miles per gallon of gasoline, approximately how many kilometers per liter of gasoline did

##### Re: If an automobile averaged 22.5 miles per gallon of gasoline, approximately how many kilometers per liter of gasoline

If an automobile averaged 22.5 miles per gallon of gasoline, approximately how many kilometers per liter of gasoline did the automobile average? (1 mile = 1.6 kilometers and 1 gallon = 3.8 liters, both rounded to the nearest tenth.) A. 3.7 B. 9.5 C. 31.4 D. 53.4 E. 136.8 OA B Source: Princeton Revi...

#### By what percent did Company A’s revenues increase from 1980 to 1985?

##### Re: By what percent did Company A’s revenues increase from 1980 to 1985?

By what percent did Company A’s revenues increase from 1980 to 1985? (1) In 1980, Company A’s revenues were $600,000; in 1985, its revenues were$800,000. (2) Each year from 1980 to 1985, Company A’s revenues increased by \$40,000. OA A Source: Princeton Review Statement 1: $$m=$$ new value $$/$$ ol...

by swerve

Sun May 07, 2023 3:32 pm
Forum: Data Sufficiency
Topic: By what percent did Company A’s revenues increase from 1980 to 1985?
Replies: 1
Views: 31

#### An importer wants to purchase $$N$$ high quality cameras from Germany and sell them in Japan. The cost in Germany of

##### Re: An importer wants to purchase $$N$$ high quality cameras from Germany and sell them in Japan. The cost in Germany of

Source: Magoosh An importer wants to purchase $$N$$ high quality cameras from Germany and sell them in Japan. The cost in Germany of each camera is $$E$$ euros. He will sell them in Japan at $$Y$$ yen, which will bring in a profit, given that the exchange rate is $$C$$ yen per euro. Given the excha...

#### Word Problems

##### Word Problems

Cotto Toy Store sells Product X and Product Y at two different regular prices. During a sale, both products are discounted. Is the sale price of Product X greater than the sale price of Product Y? (1) Product X is discounted by $$3$$ and Product Y is discounted by $$8$$. (2) Product X is discounte...

by swerve

Thu Apr 27, 2023 6:24 am
Forum: Data Sufficiency
Topic: Word Problems
Replies: 0
Views: 27

#### Word Problems

##### Word Problems

A cement mixture is composed of $$3$$elements. By weight, $$1/3$$ of the mixture is sand, $$3/5$$ of the mixture is water, and the remaining $$12$$ pounds of the mixture is gravel. What is the weight of the entire mixture in pounds? A. $$4$$ B. $$8$$ C. $$36$$ D. $$60$$ E. $$180$$ The OA is E Source...

by swerve

Thu Apr 27, 2023 6:12 am
Forum: Problem Solving
Topic: Word Problems
Replies: 0
Views: 40

#### Word Problems

##### Word Problems

Seven basketball teams play in a league against each other. At the end of the season, how many different arrangements are there for the top $$3$$ teams in the rankings?

A. $$6$$
B. $$42$$
C. $$210$$
D. $$5,040$$
E. $$50,450$$

The OA is C

Source: Princeton Review

by swerve

Thu Apr 27, 2023 6:01 am
Forum: Problem Solving
Topic: Word Problems
Replies: 0
Views: 29

#### The GMAT is scored on a scale of 200 to 800 in 10 point increments. (Thus 410 and 760 are real GMAT

##### Re: 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 ...

#### If a fair 6-sided die is rolled three times, what is the probability that exactly one 3 is rolled?

##### Re: 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 Probability if getting $$3$$ on a die is: $$P(3)=\dfrac{1}{6}$$ Probability of not getting $$3$$ on a die is \(nP(3)=\dfrac{5}{6}...

#### Keats Library purchases a number of new books, all in the category of biography; the library does not acquire any other

##### Re: Keats Library purchases a number of new books, all in the category of biography; the library does not acquire any ot

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...

#### Of the shares of stock owned by a certain investor, 30 percent are shares of Company X stock and 1/7 of the remaining

##### Re: Of the shares of stock owned by a certain investor, 30 percent are shares of Company X stock and 1/7 of the remainin

Of the shares of stock owned by a certain investor, 30 percent are shares of Company X stock and 1/7 of the remaining shares are shares of Company Y stock. How many shares of Company X stock does the investor own? (1) The investor owns 100 shares of Company Y stock. (2) The investor owns 200 more s...

#### A rectangular photograph is surrounded by a border that is 1 inch wide on each side. The total area of the photograph an

##### Re: A rectangular photograph is surrounded by a border that is 1 inch wide on each side. The total area of the photograp

A rectangular photograph is surrounded by a border that is 1 inch wide on each side. The total area of the photograph and the border is M square inches. If the border had been 2 inches wide on each side, the total area would have been (M + 52) square inches. What is the perimeter of the photograph,...