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.

If s and t are positive integers such that s/t = 64.12, which of the following could be the remainder when s is divided by t?

If s and t are positive integers such that s/t = 64.12, which of the following could be the remainder when s is divided by t? (A) 2 (B) 4 (C) 8 (D) 20 (E) 45 Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added to the express

If s and t are positive integers such that s/t = 64.12, which of the following could be the remainder when s is divided by t? Read the Full Article »

Material A costs $3 per kilogram, and Material B costs $5 per kilogram. If 10 kilograms of Material K consists of x kilograms of Material A and y kilograms of Material B, is x > y?

Material A costs $3 per kilogram, and Material B costs $5 per kilogram. If 10 kilograms of Material K consists of x kilograms of Material A and y kilograms of Material B, is x > y? (1) y > 4 (2) The cost of the 10 kilograms of Material K is less than $40. A.

Material A costs $3 per kilogram, and Material B costs $5 per kilogram. If 10 kilograms of Material K consists of x kilograms of Material A and y kilograms of Material B, is x > y? Read the Full Article »

If d=1/(2^3∗5^7) is expressed as a terminating decimal, how many nonzero digits will d have?

If d=1/(2^3∗5^7) is expressed as a terminating decimal, how many nonzero digits will d have? (A) One (B) Two (C) Three (D) Seven (E) Ten Correct Answer: B 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

If d=1/(2^3∗5^7) is expressed as a terminating decimal, how many nonzero digits will d have? Read the Full Article »