Math (PS) The choir consists of 5 boys and 6 girls. In how many ways can the singers be arranged in a row, so that all the boys are together?…
Posts published in “Problem Solving”
Helpful articles and questions asked in Problem Solving section of GMAT Quant
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…
Math (PS) If one of two parallel lines has 7 points on it and the other has 8, how many triangles can be drawn using the points? (A) 168 (B)…
This post was written by Rich Zwelling. For more GMAT prep tips, check out the Knewton GMAT blog. I run the risk of sounding like a hypocrite here. I'm often…
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…
Math (PS) How many distinct integers are factors of 90? (A) 6 (B) 8 (C) 9 (D) 10 (E) 12 GMAT Daily Deals Experience the Manhattan GMAT difference at one…
Last week, I focused on rate problems involving speed (if you're looking to the answer to last week's challenge question, scroll down to the end of this post!). This week,…
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…
Math (PS) If function satisfies for all , which of the following must be true? (A) (B) (C) (D) (E) GMAT Daily Deals Join Kaplan in their Road to Business…
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 GMAT…