## Articles by Caitlin Clay

#### Manhattan GMAT Challenge Problem of the Week – 10 Oct 2011

by Caitlin Clay on October 10, 2011

Is this an overlapping sets problem or a ratios problem?

#### Manhattan GMAT Challenge Problem of the Week – 5 Oct 2011

by Caitlin Clay on October 5, 2011

Can you solve this challenge problem involving equations?

#### Manhattan GMAT Challenge Problem of the Week – 28 Sept 2011

by Caitlin Clay on September 28, 2011

Check out this question on powers and test your knowledge of figuring out units digits.

#### Manhattan GMAT Challenge Problem of the Week – 19 Sept 2011

by Caitlin Clay on September 19, 2011

Check out this interesting geometry problem that tests your knowledge of circles.

#### Thursdays with Ron – Critical Reasoning: Conclusions/Inferences

by Caitlin Clay on September 15, 2011

Every other Thursday, our instructor Ron Purewal (known on the Beat The GMAT forums as lunarpower) hosts a free study hall session, called Thursdays with Ron, where anyone [...]

#### Manhattan GMAT Challenge Problem of the Week – 14 Sept 2011

by Caitlin Clay on September 14, 2011

Ready for some difficult practice on powers and equations? See if you can get this question right!

#### Manhattan GMAT Challenge Problem of the Week – 6 Sept 2011

by Caitlin Clay on September 6, 2011

Check out this GMAT question that tests your grasp of primes and sequences.

#### Manhattan GMAT Challenge Problem of the Week – 30 Aug 2011

by Caitlin Clay on August 30, 2011

Quadratic equations are often tested on the GMAT, so pay close attention to this question!

#### Manhattan GMAT Challenge Problem of the Week – 23 Aug 2011

by Caitlin Clay on August 23, 2011

Will you use number picking or a more abstract approach to solve this question?

#### Manhattan GMAT Challenge Problem of the Week – 16 Aug 2011

by Caitlin Clay on August 16, 2011

Estimate your way out of very long calculations on the GMAT!

#### Manhattan GMAT Challenge Problem of the Week – 9 Aug 2011

by Caitlin Clay on August 9, 2011

Knowing some of the powers of 2 can really help on test day!

#### Manhattan GMAT Challenge Problem of the Week – 2 Aug 2011

by Caitlin Clay on August 2, 2011

This question involves some strange symbols, but as long as you understand the sequence, you'll get it right!

#### Manhattan GMAT Challenge Problem of the Week – 26 July 2011

by Caitlin Clay on July 26, 2011

Solving this probability question requires more than just luck.

#### Thursdays with Ron – Critical Reasoning (Part 2)

by Caitlin Clay on July 21, 2011

Every other Thursday, our instructor Ron Purewal (known on the Beat The GMAT forums as lunarpower) hosts a free study hall session, called Thursdays with Ron, where anyone [...]