“Cannot be determined by the information given” Michael drives x miles due north at arrives at Point A. He then heads due east for y miles. Finally, he drives z miles a straight line towards is starting point. If x, y, and z are integers, then how many miles did Michael drive if the shortest [...]
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GRE Math Work Rate: Practice Question of the Week #29
Here’s this week’s practice question– we’ll be posting the answer and explanation tomorrow, good luck! Pump A can empty a pool in A minutes, and pump B can empty the same pool in B minutes. Pump A begins emptying the pool for 1 minute before pump B joins. Beginning from the time pump A starts, [...]
Combinations Practice Question of the Week #27
For this week’s practice question, there’s only one correct answer. Good luck, we’ll be posting the answer and explanation tomorrow! In how many ways can Ann, Bob, Chuck, Don and Ed be seated in a row such that Ann and Bob are not seated next to each other? 24 48 56 72 96 Update: Here’s [...]
Don’t Despair – Strategies for Dealing with Convoluted Word Problems
Meet the Word Problem The GRE Math contains a medley of word problems. You can see probability, interest, rates, combinations and even geometry problems. In general, the problems are worded in such a way that they can be vague or even downright confusing. To add to all that, some of the more difficult word problems [...]
