Tag: GMAT Solutions

GMAT OFFICIAL GUIDE PS Solution: To solve, we will set up two equations. Let’s start by defining two variables. J = number of dollars Jim has L = number …

GMAT OFFICIAL GUIDE PS Solution: Since we know that m^-1 = -1/3 and m^-2 = (m^-1)^2, then m^-2 = (-1/3)^2 = 1/9. Answer: D

GMAT OFFICIAL GUIDE PS Solution: The circular path (i.e., the shaded region) is called an annulus in geometry. Basically an annulus is a ring-shaped figure bounded by two concentric …

GMAT OFFICIAL GUIDE PS Solution: To solve the problem we must remember that: probability = (number of favorable outcomes)/(total number of outcomes) In the problem we are being asked …

GMAT OFFICIAL GUIDE PS Solution: We start by simplifying the given equation, (4-x)/(2+x) = x. We first multiply both sides by 2+x. Thus we have: 4 – x = …

A restaurant meal cost $35.50 and there was no tax… Solution: To solve, we can set up two equations, one for a tip of 10% and another for a …

GMAT OFFICIAL GUIDE PS Solution: We are given that the operation ⊙ is defined by x⊙y = √(xy) for all positive numbers. We are next given that (5⊙45)⊙60. Following …

GMAT OFFICIAL GUIDE PS Solution: We are given that operation Ө is defined by aӨb = (a-b)/(a+b). We are also given that aӨc = 0; thus, according to the …