An interesting GMAT problem solving practice question in permutation combination. The concept covered in this question is selecting one or more objects from a set of object, all of which are not distinct. The objects not being distinct is what makes this question an interesting one. This is another question that you can use as a template to solve questions that comprise … [Read more...] about Permutation Combination : Selecting from non distinct object
GMAT Quant Theory & Practice Questions
Counting Methods : GMAT Problem Solving
This GMAT permutation combination practice question is a classic counting methods question focusing on numbers and number properties. You can use the explanation given in this question as a template to solve questions of this kind. After cracking the question, create your own variants of this question and try solving them to master this idea. Question How many odd 4 digit … [Read more...] about Counting Methods : GMAT Problem Solving
GMAT Data Sufficiency Practice : Inequalities & Number Properties
QuestionIs a + b > 0?1. a - b > 02. |a| < |b|Correct Answer is Choice C. Both statements together are sufficient to answer the question.Explanatory AnswerAn "IS" question is answered when you can provide a definite YES or a definite NO as an answer to the question using the data.We need to answer if a + b > 0.Statement 1: a - b > 0.We can infer that a > b.If … [Read more...] about GMAT Data Sufficiency Practice : Inequalities & Number Properties
GMAT PS : Percents, Ratio
QuestionOf the new vehicles registered in a week, 300 were neither SUVs nor were they powered by diesel. 3/4th of the SUVs registered were diesel powered and there were half as many SUVs as there were non SUVs. If SUVs not powered by diesel were a sixth of non SUVs not powered by diesel, how many vehicles registered in the week were powered by diesel?A. 200B. 50C. 250D. 150E. … [Read more...] about GMAT PS : Percents, Ratio
GMAT DS : Quadratic Equation
A relatively easy Data Sufficiency question. Combines concepts in quadratic equation and inequalities involving quadratic expressions.Is x = 3?1. x2 + 6x + 9 = 02. x2 + 7x - 21 > 0The correct answer is Choice A. Statement 1 alone is sufficient; statement 2 is not. Explanatory Answer The question to be answered is "Is x = 3?". An "Is" question is answered if you are able to … [Read more...] about GMAT DS : Quadratic Equation