GMAT Question of the Day – Data Sufficiency – Inequalities If m and z are positive numbers is 30m/(m+z) + 50z/(m+z) greater than 39? (1) z/m > 1 (2) m/(m+z) < 1/2 [spoiler]D.[/spoiler] GMAT Question of the Day Solution: Look at this as a weighted average question. If m = z then the answer will […]
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GMAT Question of the Day – Problem Solving – Rate Peter and Jane were both driving at 60mph down a certain highway heading south. At 3pm Peter crossed the border into Mexico and decreased his speed by 10mph. If Jane crossed the border into Mexico at 3:45pm, how many hours after crossing into Mexico will it take her
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GMAT Question of the Day – Data Sufficiency – Geometry In the diagram above ABCD is a rectangle. EB is a semi-circle with center O and a radius of 2. What is the area of triangle CBF? (1) Angle EFD = 45 degrees (2) Angle BEF = Angle FBE GMAT Question of the Day Solution
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GMAT Question of the Day – Data Sufficiency – Number Properties If m and z are positive integers such that m > z, what is the remainder when 2^(4m+6) – z is divided by 10? (1) z = 4 (2) m = 6 [spoiler]A.[/spoiler] Whenever an integer ends in 0 it is divisible by
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Economist Reading Comprehension Challenge #9 We’ve made it to the 9th edition of the challenges and you are probably becoming a Reading Comprehension expert. Keep up the active reading! This Economist article is about robots. Yep – exciting stuff coming up in the robot landscape. More than just dirt hungry vacuum cleaners, robots will be
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