What is the value of x – y
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of x + y in the given figure. Let’s start by sketching the figure. In analyzing the angles …
What is the circumference of…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine the circumference of the circle provided. Let’s sketch the diagram below. We see from our diagram that we have a …
If x < 0…
May 5, 2016
GMAT OFFICIAL GUIDE DS… Solution: We are given that x is less than zero, and we must determine whether y is greater than zero. Statement One Alone: x/y < …
Every member of a certain club volunteers to contribute…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that every member of a club contributes evenly to a $60 gift certificate. We must determine the number of members in …
Is 5^k less than 1,000? (1) 5^(k+1) > 3,000 (2) 5^(k-1) = 5^k – 500
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether 5^k is less than 1,000. Statement One Alone: 5^(k+1) > 3,000 We can simplify the inequality 5^(k+1) > 3,000. …
The inflation index for the year 1989 relative to the year…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that the inflation for the year 1989 relative to the year 1970 was 3.56, which means the price of an item …
If n is a positive integer, is the value of b – a at least twice the…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that n is a positive integer, and we must determine whether the value of b – a is at least twice …
If x is an integer, which of the following must be an even integer?
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that x is an integer, and we must determine whether x|x| < 2^x. Statement One Alone: x< 0 Since we are …