Math (PS) There are four distinct pairs of brothers and sisters. In how many ways can a committee of 3 be formed and NOT have siblings in it? (A) 8…
Posts published in “Quant”
Helpful articles and questions tested in GMAT Quant section
Math (PS) 4 professors and 6 students are being considered for membership on a supervisory committee which must consist of 3 people. In how many ways can this committee be…
The Pythagorean Theorem is one of the most remarkable theorems in all of mathematics. It has a treasure trove of ramification up its sleeve, any one of which could provide you with…
Math (PS) Which of the following is closest to ? (A) 1.997 (B) 1.998 (C) 1.999 (D) 2.000 (E) 2.001 Question Discussion & Explanation Correct Answer - C - (click…
In the first post in this series, I spoke about the AND rule and the OR rule in probability. Now, we will focus on probability question involve the words "at least." First, some practice…
Math (DS) For any numbers and , #. If #, which of the following cannot be the value of y? A. -2 B. -1 C. 0 D. 1 E. 2…
Math (DS) What is the value of ? 1. 2. (click and drag your mouse to see the answer) Question Discussion & Explanation Correct Answer - C - GMAT Daily…
Math (PS) Three secretaries working together can type 36 pages of text in half an hour. If the typing speeds of the secretaries are in a 4:3:2 ratio, how long…
Math (PS) Set consists of all points such that . If point is selected from set at random, what is the probability that ? (A) (B) (C) (D) (E) Question…
First, some practice questions. The scenario below is relevant to questions #1-#3. There are two sets of letters, and you are going to pick exactly one letter from each set.…