# Kaplan Learning Center

## Welcome to the Kaplan Learning Center @ GMAT Club

The proven leader in test prep, Kaplan has gotten more people into business school than any other major test prep company. Kaplan’s top-rated teachers, adaptive learning technology, and unmatched practice resources ensure that GMAT preppers get the support and learning they need to score high.

Here you will find the latest videos from Kaplan helping you score higher, discover new techniques, and learn in an interactive format.

If you have any  questions about the approaches presented or a comment about what worked for you, please post them in the Kaplan dedicated forum and one of the Kaplan instructors will be happy to address.

Try the below questions for practice – and then click on the corresponding video to see an explanation of the answer.

Question 1

For all $x$ and $y$, $(x+1)(y+1) - x - y =$

(A) $xy - x - y + 1$
(B) $xy + 1$
(C) $x^2 + y^2 - 1$
(D) $1 - x - y$
(E) $1$

Question 2

In a colony of 1,500 lemmings, exactly 30 lemmings are variegated. If one lemming is chosen at random from the colony, what is the probability that it is not variegated?

(A) $\frac{1}{150}$
(B) $\frac{1}{50}$
(C) $\frac{1}{30}$
(D) $\frac{29}{30}$
(E) $\frac{49}{50}$

Question 3

3a:
Carrie will go to college if she (will find, finds, has found) enough money to cover tuition.
3b:
Rocio had been living in Bogota for ten years when she (had decided, will have decided, decided) to leave.

Question 4

If $x$ is an even integer and $y$ is an odd integer, which of the following is an odd integer?

(A) $x^3y^2$
(B) $1 - y$
(C) $2y - x$
(D) $5x + y^2$
(E) $2x + y - 3$