Clases particulares GMAT

Production manager: The building materials that we produce meet industry safety codes but pose some safety risk. Since we have recently developed the technology to make a safer version of our product, we should stop producing our current product and Leer más…

Smokers of pipes or cigars run a distinctly lower risk to their health than do cigarette smokers. However, whereas cigarette smokers who quit smoking altogether sharply reduce their risk of smoking-related health problems, those who give up cigarettes and take Leer más…

The book To Save the Earth is so persuasive that no one who reads it can fail to heed its environmentalist message. Members of the Earth Association have given away 2,000 copies in the last month. Thus the Earth Association Leer más…

Harris: Currently, hybrid animals are not protected by international endangered-species regulations. But new techniques in genetic research suggest that the red wolf, long thought to be an independent species, is a hybrid of the coyote and the gray wolf. Hence, Leer más…

Harris: Currently, hybrid animals are not protected by international endangered-species regulations. But new techniques in genetic research suggest that the red wolf, long thought to be an independent species, is a hybrid of the coyote and the gray wolf. Hence, Leer más…

Joseph has exactly 185 pesos in 50 peso coins, 25 peso coins, and 1 peso coins only, and he has at least one of each. How many 25 peso coins does he have? (1) He has exactly two 50 peso Leer más…

Points X and Y are 100 miles apart. pat and Mark started simultaneously from X and Y respectively and traveled towards Y and X respectively. The two crossed each other after half and hour. Who is nearer to his destination Leer más…

John and Walter have their incomes in the ratio 7:5. The expenses of John, Walter and Nancy are in the ratio 9:7:4. If Nancy spends $2800 and Walter saves $1100, how much is Johns saving is? A. $2000 B. $2100 Leer más…

Before the summer holidays, Bill got 100 mathematics exercises for homework. During the first week of his vacation, Bill worked out exercises number 1 to 5, 35 to 40, and 76 to 100. If Bill finished working out all his Leer más…

Spoiler: :: Attachment:er.png

Two men undertook to do a job for $1400 and decided to divide the money as per their contribution.One of them alone can do the job in 7 days and other one in 8 days.With the assistance of a boy Leer más…

I didn’t have any math related course in my graduation; therefore, I forget all the basic concepts. I started reading mgmat guides and gmat club math book, but I found second one useful but difficult. Can I any complete solution Leer más…

The vertices of triangle Q are located at the origin and at the x- and y- intercepts of line Q, respectively. If line Q is described by the equation y = Ax + B, then which of the following values Leer más…

A group of buildings is numbered using all the even numbers between 412 and 680 inclusive, How many buildings are in the group ? A. 134 B.135 C. 137 D. 139 E. 143

3/4 of all married couples have more than one child. 2/5 of all married couples have more than 3 children. What fraction of all married couples have 2 or 3 children? A. 1/5 B.1/4 C. 7/20 D. 3/5 E. It Leer más…

If \(x^a = 2\), \(x^b = 3\) and\(x^c = 6\) then \(x^(3a+b-2c) =\) ? (A) 1/9 (B) 1/6 (C) 1/2 (D) 2/3 (E) 3/4

Hello GMAT Club Here is a dedicated thread describing programs that start in January 2021, their links and deadlines, etc. In below table, you will find deadlines as well as links of discussion threads of MBA programs that starts in Leer más…

A polygon has two types of angles: it has m 125 angles and n 150 angles, where m and n are positive integers. What is the value of |m n| ? A. 1 B. 3 C. 5 D. 6 E. Leer más…

At the beginning of the year in town X, 30% of the population had liberal values. At the end of the year the total population had grown by 12% and the proportion of the population with liberal values had decreased Leer más…

Hey people! i just was wondering, about Kelley mba program ranking, it has really bounced around over the years first being a top 10 school, then top 20, then all the way down into the 30s now its more of Leer más…

If a^2 ab = 2b^2, which of the following could be b/a ? I. 1/2 II. 2 III. 1 (A) I only (B) II only (C) I and II (D) I and III (E) II and III Are You Up Leer más…

This year, the total number of hotdogs sold was higher than total number sold last year. However, the accountant for the Henry’s chain claims that, when individual stands are considered, the number of hotdogs sold decreased at every stand that Leer más…

The sequence \(x_1\), \(x_2\), …, \(x_n\) is such that \(x_1 = 5\), \(x_2 = -5\), \(x_3 = 0\), \(x_4 = -2\), \(x_5 = 4\) and \(x_n=x_n-5\). If the sum of the first P terms as well as the sum of Leer más…

The length of sides of triangle PQR are p, q and r units. The length of sides of triangle STU are s, t and u units. The following relations hold true: \(p(q+r-p)=s^2\) \(q(p+r-q)=t^2\) \(r(p+q-r)=u^2\) The type of triangle STU is Leer más…

If x and y are integers and \(\frac174 = \fracxy\), which of the following could be the value of x + y? A. 48 B. 51 C. 60 D. 63 E. 68

On a county-wide baseball team, the best players were sent from each high school. There are three mutually exclusive categories of players on this team: infielders, outfielders, and pitchers. If the ratio of infielders to outfielders is 7:4, and the Leer más…

If 3u = 5v, then ratio of 5u to v is A. 1:3 B. 3:1 C. 4:3 D. 15:1 E. 25:3

Three friends-whose walking rates are 1 ft./sec., 3ft./sec., and 6ft./sec. start together walking in the same direction around a circular track that is 300 feet in circumference. After how many minutes are the three of them together again? A. 3 Leer más…

Simplify \((4^y + 4^y + 4^y + 4^y)(3^y + 3^y + 3^y)\) (A) \(4^4y * 3^3y\) (B) \(12^y+1\) (C) \(16^y + 9^y\) (D) \(12^y\) (E) \(4^y * 12^y\)

If x^2 + 3x + 3 = 5x + 6 then x equals A. -1 or 3 B. -1 or 4 C. 0 or 3 D. 0 or 6 E. 1 or 3

I. a-14, a, a, a, a+14 II. b, b+1, b+2, b+3, b+4 III. c, c, c, c, c The data sets I, II, and III above are ordered from greatest standard deviation to least standard deviation in which of the Leer más…

In above figure, the area of shaded region is 75% of the area of the Square. What is the value of x? (A) 5.5 (B) 6.5 (C) 7.5 (D) 8.5 (E) 9.5 Spoiler: :: Attachment:Untitled.png

IMD MBA Assessment Challenge – Mumbai, India Great Opportunity to showcase your skills and win a scholarships of 40,000 Swiss Francs and admit in IMD MBA class 2021 The IMD MBA Create Our Future Challenge is a one-day intense think-in Leer más…

Hi, As I am waiting for Stanford interview invite for Round 2, I thought that it could be a good idea to have a quick profile review to see if I may sound as an interesting profile to them 29-year Leer más…

If x is a positive integer and w is a negative integer, what is the value of x – w? (1) \(w^x = 9\) (2) \(x + w = -1\) Project DS Butler Data Sufficiency (DS3) For DS butler Questions Leer más…

If cx – bx^3 = 0 where b and c are non-zero numbers, what is the value of b – c ? (1) cx = c (2) bx = b Project DS Butler Data Sufficiency (DS3) For DS butler Questions Leer más…

In the year 2010, the average age of children in a class of 20 was 12 years. In 2011, 10 more children joined and the average age of the children became 14. What was the average age of these 10 Leer más…

A cough syrup contains 250 mil of syrup. A 5 year old child accidentally swallowed from the bottle until it holds 50 ml of syrup less than the the quantity the child swallowed. How much did the child swallow ? Leer más…

[GMAT math practice question] The average of \(a, b, c,\) and \(d\) is \(5\) and their standard deviation is \(4.\) What is the sum of the average and the standard deviation of \(2a-5, 2b-5, 2c-5\) and \(2d-5\)? A. \(7\) B. Leer más…

Every political philosopher of the early twentieth century who was either a socialist or a communist was influenced by Rosa Luxemburg. No one who was influenced by Rosa Luxemburg advocated a totalitarian state. If the statements above are true, which Leer más…

Various mid-fourteenth-century European writers show an interest in games, but no writer of this period mentions the playing of cards. Nor do any of the mid-fourteenth-century statutes that proscribe or limit the play of games mention cards, though they do Leer más…

Competition Mode Question On writing first 252 positive integers in a straight line, how many times digit 4 appears? A. 50 B. 52 C. 54 D. 55 E. 56 Are You Up For the Challenge: 700 Level Questions

Competition Mode Question If A and B are positive integers, is A B even? (1) The product of A and B is even (2) A + B is odd

Competition Mode Question The distance that animals travel each day and the size of the groups in which they live are highly correlated with their diets. And diet itself depends in large part on the sizes and shapes of animals Leer más…

Competition Mode Question The CIA is not a law enforcement agency, responsible for investigating crimes, but rather that of an intelligence agency whose mission is to gather information in service of national security. A. crimes, but rather that of B. Leer más…

At a dance, 9/10 of the attendees were junior or senior students, and the remaining attendees were faculty. If 2/3 of the student attendees were seniors, what number of attendees were juniors? 1) There was a total of 270 attendees Leer más…

If x and y are positive integers such that 1 < x < y, is y divisible by x? 1) x and y have the same unique prime factors 2) x and y have the same number of prime factors

A king has 50 identical diamond rings, which he stores in five different coloured chests. In how many ways can the king store the rings among the chests such that every chest contains at least one ring? a) \(49C4\) b) Leer más…