Math (PS) There are two bars of gold-silver alloy; one piece has 2 parts of gold to 3 parts of silver, and the other has 3 parts of gold to 7 parts of silver. If both bars are melted into a 8-kg bar with the final...

Math (DS) Is even? 1. is even 2. Question Discussion & Explanation Correct Answer - C - (click and drag your mouse to see the answer) GMAT Daily Deals Knewton Gmat: Highly qualified instructors. > 50 point score improvement or money back. Enroll now, save $350! Aringo has helped...

Math (PS) A number of light bulbs were purchased to illuminate a gym. However, only of them were needed. The extra 160 light bulbs were returned. 60% percent of their cost, or $96, was reimbursed. How much money was spent on illuminating the gym? (A) 360 (B)...

Math (PS) How many distinct integers are factors of 90? (A) 6 (B) 8 (C) 9 (D) 10 (E) 12 Question Discussion & Explanation Correct Answer - E - (click and drag your mouse to see the answer) GMAT Daily Deals Excellent: Knewton Gmat Prep, $350 total savings when you enroll via GMAT Club. Limited...

Math (DS) Is ? 1. 2. Question Discussion & Explanation Correct Answer - C - (click and drag your mouse to see the answer) GMAT Daily Deals Save $350 on Manhattan GMAT Courses with great discounts! Use code GCLUB100 to claim your $250 bonus....

Math (PS) At Daifu university, 40% of all students are both members of a student organization and want to reduce their tuition costs. 20% of those students who want to reduce tuition are not members of the student organization. What percentage of all Daifu students want...

Math (PS) If function satisfies for all , which of the following must be true? (A) (B) (C) (D) (E) Question Discussion & Explanation Correct Answer - B - (click and drag your mouse to see the answer) GMAT Daily Deals Manhattan GMAT: The best teachers,...

Welcome to the second GMAT strategy session. In the first session we will focus on refinement – how to customize your study plan in the last 30 days to attain maximum score improvements. The key questions answered in this session are the following: How to define...

Math (PS) How many odd three-digit integers greater than 800 are there such that all their digits are different? (A) 40 (B) 56 (C) 72 (D) 81 (E) 104 Question Discussion & Explanation Correct Answer - C - (click and drag your mouse to see the answer) GMAT Daily Deals Excellent: Knewton Gmat Prep, $350...

Math (DS) grams of water were added to the 80 grams of a strong solution of acid. As a result, the concentration of acid in the solution became times of the initial concentration. What was the concentration of acid in the original solution? ...