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.

In a certain city, 80 percent of the households have cable television, and 60 percent of the households have videocassette recorders. If there are 150,000 households in the city, then the number of households that have both cable television and videocassette recorders could be any number from:

In a certain city, 80 percent of the households have cable television, and 60 percent of the households have videocassette recorders. If there are 150,000 households in the city, then the number of households that have both cable television and videocassette recorders could be any number from: (A) 30,000 to 90,000 inclusive (B) 30,000 to

In a certain city, 80 percent of the households have cable television, and 60 percent of the households have videocassette recorders. If there are 150,000 households in the city, then the number of households that have both cable television and videocassette recorders could be any number from: Read the Full Article »

For a finite sequence of non zero numbers, the number of variations in sign is defined as the number of pairs of consecutive terms of the sequence for which the product of the two consecutive terms is negative. What is the number of variations in sign for the sequence 1, -3, 2, 5, -4, -6 ?

For a finite sequence of non zero numbers, the number of variations in sign is defined as the number of pairs of consecutive terms of the sequence for which the product of the two consecutive terms is negative. What is the number of variations in sign for the sequence 1, -3, 2, 5, -4, -6

For a finite sequence of non zero numbers, the number of variations in sign is defined as the number of pairs of consecutive terms of the sequence for which the product of the two consecutive terms is negative. What is the number of variations in sign for the sequence 1, -3, 2, 5, -4, -6 ? Read the Full Article »

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 »