Tag: GMAT OG 2018

GMAT OFFICIAL GUIDE PS Solution: Let’s simplify the given expression: (k + 2)(k^3 – k) = (k + 2) = (k + 2)(k)(k + 1)(k – 1) Reordering the …

GMAT OFFICIAL GUIDE PS Shawana made a schedule for reading books during 4 weeks (28 days) of her summer vacation… Solution: We will list the number of days it …

GMAT OFFICIAL GUIDE PS Solution: We can simplify the given expression by multiplying by 180 and we have: 60 + 45 + 36 + 30 = 20r + 15r …

GMAT OFFICIAL GUIDE PS Solution: Let t represent the time passed between the departure of Al (11:00 a.m.) and the retrieval of data by the dispatcher. Since Ben left …

GMAT OFFICIAL GUIDE PS Solution: Let’s estimate √3, √5, √6, and √7. √3 ≈ 1.7 √5 ≈ 2.2 √6 ≈ 2.4 √7 ≈ 2.7 Thus: A) 10 x 1.7 …

GMAT OFFICIAL GUIDE PS Solution: We’ll use the simple interest formula for both parts of this question: I = P x r x t , where I = interest, …

GMAT OFFICIAL GUIDE PS Solution: We can set up the following expression: (181,000 – 79,000)/79,000 x 100 Estimating, we have: (180,000 – 80,000)/80,000 x 100 100,000/80,000 x 100 10/8 …

GMAT OFFICIAL GUIDE PS Solution: Let’s let n = the number of units sold in order to break even. The variable cost per unit is 0.4 x 2 = …