Andrew Geller

Andrew Geller is a top GMAT tutor based out of New York City. Throughout his career he has successfully taught people from many different backgrounds, countries, and starting scores.

There are 8 teams in a certain league and each team plays each of the other teams exactly once. If each game is played by 2 teams, what is the total number of games played?

There are 8 teams in a certain league and each team plays each of the other teams exactly once. If each game is played by 2 teams, what is the total number of games played? A. 15 B. 16 C. 28 D. 56 E. 64 Correct Answer: C Full explanation coming soon. Send us a […]

There are 8 teams in a certain league and each team plays each of the other teams exactly once. If each game is played by 2 teams, what is the total number of games played? Read the Full Article »

What is the difference between the sixth and the fifth terms of the sequence 2, 4, 7, … whose nth term is n + 2ⁿ⁻¹?

What is the difference between the sixth and the fifth terms of the sequence 2, 4, 7, … whose nth term is n + 2n−1? A. 2 B. 3 C. 6 D. 16 E. 17 Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find

What is the difference between the sixth and the fifth terms of the sequence 2, 4, 7, … whose nth term is n + 2ⁿ⁻¹? Read the Full Article »

Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the study group is to be selected at random, what is the probability that the member selected is a woman lawyer?

Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the study group is to be selected at random, what is the probability that the member selected is a woman lawyer? A. 0.10 B. 0.15 C. 0.27 D. 0.33 E. 0.45 Correct Answer:

Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the study group is to be selected at random, what is the probability that the member selected is a woman lawyer? Read the Full Article »

In a certain sequence, the term xn is given by the formula xn=2xn−1−(1/2)(xn−2) for all n ≥ 2. If x0 = 3 and x1 = 2, what is the value of x3?

In a certain sequence, the term xn is given by the formula xn=2xn−1−(1/2)(xn−2) for all n ≥ 2. If x0 = 3 and x1 = 2, what is the value of x3? A. 2.5 B. 3.125 C. 4 D. 5 E. 6.75 Correct Answer: C Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of

In a certain sequence, the term xn is given by the formula xn=2xn−1−(1/2)(xn−2) for all n ≥ 2. If x0 = 3 and x1 = 2, what is the value of x3? Read the Full Article »