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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 worker carries jugs of liquid soap from a production line to a packing area, carrying 4 jugs per trip. If the jugs are packed into cartons that hold 7 jugs each, how many jugs are needed to fill the last partially filled carton after the worker has made 17 trips?

A worker carries jugs of liquid soap from a production line to a packing area, carrying 4 jugs per trip. If the jugs are packed into cartons that hold 7 jugs each, how many jugs are needed to fill the last partially filled carton after the worker has made 17 trips? A. 1 B. 2

A worker carries jugs of liquid soap from a production line to a packing area, carrying 4 jugs per trip. If the jugs are packed into cartons that hold 7 jugs each, how many jugs are needed to fill the last partially filled carton after the worker has made 17 trips? Read the Full Article »

If k is an integer and (0.0025)(0.025)(0.00025) × 10ᵏ is an integer, what is the least possible value of k?

If k is an integer and \( (0.0025)(0.025)(0.00025) \times 10^k \) is an integer, what is the least possible value of k? A. -12 B. -6 C. 0 D. 6 E. 12 Correct Answer: E You’ll find tons of practice questions, explanations for GMAT Official Guide questions, and strategies on our GMAT Question of the Day page. Here are

If k is an integer and (0.0025)(0.025)(0.00025) × 10ᵏ is an integer, what is the least possible value of k? Read the Full Article »

If X is the hundredths digit in the decimal 0.1X and if Y is the thousandths digit in the decimal 0.02Y, where X and Y are nonzero digits, which of the following is closest to the greatest possible value of (0.1X)/(0.02Y)?

If X is the hundredths digit in the decimal 0.1X and if Y is the thousandths digit in the decimal 0.02Y, where X and Y are nonzero digits, which of the following is closest to the greatest possible value of \( \frac{0.1X}{0.02Y} \)? A. 4 B. 5 C. 6 D. 9 E. 10 Correct Answer: D You’ll find tons of practice questions, explanations

If X is the hundredths digit in the decimal 0.1X and if Y is the thousandths digit in the decimal 0.02Y, where X and Y are nonzero digits, which of the following is closest to the greatest possible value of (0.1X)/(0.02Y)? Read the Full Article »

If m and p are positive integers and m² + p² < 100, what is the greatest possible value of mp?

If m and p are positive integers and m² + p² < 100, what is the greatest possible value of mp? A. 36 B. 42 C. 48 D. 49 E. 51 Correct Answer: D 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, and

If m and p are positive integers and m² + p² < 100, what is the greatest possible value of mp? Read the Full Article »