a Failed GMAT Preparation and a GMAT Tutor Resigns During my first stint as his GMAT tutor, Morris was not the best GMAT student. He finished about half of the homework that I assigned. He lacked focus in our sessions. But, he was improving. A little. Sometimes he would get a mountain of work done […]
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GMAT Question of the Day – PS Work/Rate – May 2nd, 2014 The express train would have taken 30% longer to get from Station K to Station M if it had been traveling 18 miles per hour slower. What was the express train’s actual average speed, in miles per hour, from Station K to Station
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GMAT Question of the Day – DS Puzzle – May 1st, 2014 If x and y are integers, what is the value of x? (1) (x – y)(x + y) = 15 (2) x/y > 0 [spoiler]E.[/spoiler] (1) Always convert difference of squares – X^2 – y^2 = 15. Now you know that the difference
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GMAT Question of the Day – DS # Properties – April 30th, 2014 Does the decimal equivalent of $$m^3/n^2$$, where m and n are positive integers, contain a finite number of non-zero digits? (1) (2n – 2)(2n – 4) is not divisible by 6 (2) m = $$10^x$$ where x is a positive integer [spoiler]C.[/spoiler]
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GMAT Question of the Day – DS Rate/Work Three machines J, K, and L working simultaneously but independently at their respective rates can complete a certain task in 32 hours. What proportion of the completed task did machine K complete? (1) Machines J and K working simultaneously but independently at their respective rates can complete
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