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.

A bicycle store purchased two bicycles, one for $250 and the other for $375, and sold both bicycles at a total gross profit of $250. If the store sold one of the bicycles for $450, which of the following could be the store’s gross profit from the sale of the other bicycle?

A bicycle store purchased two bicycles, one for $250 and the other for $375, and sold both bicycles at a total gross profit of $250. If the store sold one of the bicycles for $450, which of the following could be the store’s gross profit from the sale of the other bicycle? A. $75 B. […]

A bicycle store purchased two bicycles, one for $250 and the other for $375, and sold both bicycles at a total gross profit of $250. If the store sold one of the bicycles for $450, which of the following could be the store’s gross profit from the sale of the other bicycle? Read the Full Article »

In a certain fraction, the denominator is 16 greater than the numerator. If the fraction is equivalent to 80 percent, what is the denominator of the fraction?

In a certain fraction, the denominator is 16 greater than the numerator. If the fraction is equivalent to 80 percent, what is the denominator of the fraction? A. 32 B. 64 C. 72 D. 80 E. 120 Correct Answer: D Full explanation coming soon. Send us a note if you’d like this added to the

In a certain fraction, the denominator is 16 greater than the numerator. If the fraction is equivalent to 80 percent, what is the denominator of the fraction? Read the Full Article »

Abdul, Barb, and Carlos all live on the same straight road, on which their school is also located. The school is halfway between Abdul’s house and Barb’s house. Barb’s house is halfway between the school and Carlos’s house. If the school is 4 miles from Carlos’s house, how many miles is Abdul’s house from Carlos’s house?

Abdul, Barb, and Carlos all live on the same straight road, on which their school is also located. The school is halfway between Abdul’s house and Barb’s house. Barb’s house is halfway between the school and Carlos’s house. If the school is 4 miles from Carlos’s house, how many miles is Abdul’s house from Carlos’s

Abdul, Barb, and Carlos all live on the same straight road, on which their school is also located. The school is halfway between Abdul’s house and Barb’s house. Barb’s house is halfway between the school and Carlos’s house. If the school is 4 miles from Carlos’s house, how many miles is Abdul’s house from Carlos’s house? Read the Full Article »

If the circumference of a circle inscribed in a square is 25π, what is the perimeter of the square?

If the circumference of a circle inscribed in a square is 25π, what is the perimeter of the square? A. 20 B. 25 C. 40 D. 50 E. 100 Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of practice questions,

If the circumference of a circle inscribed in a square is 25π, what is the perimeter of the square? Read the Full Article »

In the figure shown, AC = 2 and BD = DC = 1. What is the measure of angle ABD?

In the figure shown, AC = 2 and BD = DC = 1. What is the measure of angle ABD? A. 15° B. 20° C. 30° D. 40° E. 45° 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 practice questions, explanations for GMAT Official Guide questions,

In the figure shown, AC = 2 and BD = DC = 1. What is the measure of angle ABD? Read the Full Article »