Tag: Official Guide for GMAT Review 2016

GMAT OFFICIAL GUIDE PS – If 893 × 78 = p, which of…

If 893 × 78 = p, which of… Solution: We are given that 893 x 78 = p and need to determine, in terms of p, the value of …

GMAT OFFICIAL GUIDE PS – A rectangular garden is to be twice as long as it is wide…

A rectangular garden is to be twice as long as it is wide… Solution: We are given that a rectangular garden is twice as long as it is wide. …

GMAT OFFICIAL GUIDE DS – If 2^(x + y) = 4^8…

If 2^(x + y) = 4^8… Solution: Since we want to find the value of y, let’s isolate y in the equation: 2^(x + y) = 4^8 2^(x + …

GMAT OFFICIAL GUIDE DS – What is the ratio of the average (arithmetic mean) height of students in class X …

What is the ratio of the average (arithmetic mean) height of students in class X … Solution: We want to find the ratio of the average height of students …

GMAT OFFICIAL GUIDE DS – A certain high school with a total enrollment of 900 students held a science fair…

A certain high school with a total enrollment of 900 students held a science fair… Solution: We want to find out the number of students who attended the science …

GMAT OFFICIAL GUIDE DS – If x = 2t and y = t/3, what is…

If x = 2t and y = t/3, what is… Solution: Since x = 2t and y = t/3, by substitution, we have x^2 – y^2 (2t)^2 – (t/3)^2 …

GMAT OFFICIAL GUIDE PS – A store reported total sales of \$385 million for February…

A store reported total sales of \$385 million for February… Solution: The formula for percent increase is (New – Old)/Old x 100%. Here the “New” sales is \$385 million and …

GMAT OFFICIAL GUIDE PS – The total cost for Company X to produce a batch of tools is \$10,000 plus…

The total cost for Company X to produce a batch of tools is \$10,000 plus… Solution: We know the relationship between profit, revenue and cost is: profit = revenue …