Strategy to solve questions with variables,semantics chennai

Let us understand one approach to solve DS questions with lots of variables That is substituting numbers Here’s a DS question Is zp negative? (1)pz4<0 (2)p+z4=14 In sums involving inequalities, substitute numbers for variables wisely. When you see the variables (i.e. a,b,c...) you would substitute...

Essential reading comprehension tips___ semantics

Keep your fears away One fear most test takers feel is ‘ what if the passages are totally unfamiliar’. This is highly unlikely if you have spent a good amount of time reading quality passages and have taken good number of comprehension tests. Imagine yourself succeeding Be optimistic about your...

Practice problems on probability, permutation, combination

Problem 1

A dice is rolled 3 times and sum of three numbers appearing on the uppermost face is15.
The chance that the first roll was a four is...
(1)2/5 (2)1/5 (3)1/6 (4) 2/7


Option 2 is the answer.

To work on problems 2,3,4 click here

A reasoning based data sufficiency question

What is the answer to this DS question?

Is my age over 40?
A.The average age of all 20 employees in my office is 43.
B.I am among the oldest 3 employees in my office in which the retirement age is 60. All employees resign when their age crosses the retirement age.

Use working verb, not its noun form An action expressed in the verb form is more effective than the noun form; a noun form creates wordy prepositional phrases. Example 1 Ineffective: Her decision was to invite her colleagues to the dinner that is being hosted by her. Effective: She decided to invit...

Trans World Entertainment Corporation, which owns the Record Town and Saturday Matinee retail chains, announced that since sales of up to one-fourth of its stores are poor, they will be closed. They can mean stores or sales... hence A is ambiguous. the correct construction is Trans World Entertainme...

The comments are appreciated. Some of these "tips" are incorrect and directly contradict GMAC's rules. Is there a GMAC rule? As a language trainer I was exposed to British English and American English ( though some contradictory usages exist) 11. Plan on is redundant; omit on GMAC conside...

Post 3 GMAT Reading comprehension prep fundas All strategies need not work for you As you progress in your preparation, you must make note of your weak areas. For instance, when you read long passages you may find it difficult to keep track of topic of each para. In such case, you may sum the points...