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.

The table below shows the distribution of test scores for a group of management trainees. Which score interval contains the median of the 73 scores?

The table below shows the distribution of test scores for a group of management trainees. Which score interval contains the median of the 73 scores? SCORE INTERVAL—————-NUMBER OF SCORES 50-59————————– 2 60-69————————–10 70-79————————–16 80-89————————–27 90-99————————–18 (A) 60-69 (B) 70-79 (C) 80-89 (D) 90-99 (E) It cannot be determined from the information given. Know your basic […]

The table below shows the distribution of test scores for a group of management trainees. Which score interval contains the median of the 73 scores? Read the Full Article »

An investment of d dollars at k percent simple annual interest yields $600 over a 2 year period. In terms of d, what dollar amount invested at the same rate will yield $2,400 over a 3 year period?

An investment of d dollars at k percent simple annual interest yields $600 over a 2 year period. In terms of d, what dollar amount invested at the same rate will yield $2,400 over a 3 year period? (A) (2d)/3 (B) (3d)/4 (C) (4d)/3 (D) (3d)/2 (E) (8d)/3 Explanation: An investment of d dollars at

An investment of d dollars at k percent simple annual interest yields $600 over a 2 year period. In terms of d, what dollar amount invested at the same rate will yield $2,400 over a 3 year period? Read the Full Article »

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 possibility that the 2 apples selected will include the spoiled apple?

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 possibility that the 2 apples selected will include the spoiled apple? (A) 1/5 (B) 3/10 (C) 2/5 (D) 1/2 (E) 3/5 GMAT tutoring

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 possibility that the 2 apples selected will include the spoiled apple? Read the Full Article »

In the figure above, equilateral triangle ABC is inscribed in the circle. If the length of arc ABC is 24, what is the approximate diameter of the circle?

In the figure above, equilateral triangle ABC is inscribed in the circle. If the length of arc ABC is 24, what is the approximate diameter of the circle? (A) 5 (B) 8 (C) 11 (D) 15 (E) 19 It’s key to know that an equilateral triangle has equal sides and equal angles measuring 60 degrees

In the figure above, equilateral triangle ABC is inscribed in the circle. If the length of arc ABC is 24, what is the approximate diameter of the circle? Read the Full Article »