GMAT Challenge Problem Showdown: September 16, 2013
We invite you to test your GMAT knowledge for a chance to win! Each week, we will post a new Challenge Problem for you to attempt. If you submit the correct answer, you will be entered into that week’s drawing for a free Manhattan GMAT Prep item. Tell your friends to get out their scrap paper and start solving!
Here is this week’s problem:
If a and b are different nonzero integers, what is the value of b ?
(1) ab = ab
(2) ab – ab – 1 = 2
GMAT Challenge Problem Showdown: August 19, 2013
We invite you to test your GMAT knowledge for a chance to win! Each week, we will post a new Challenge Problem for you to attempt. If you submit the correct answer, you will be entered into that week’s drawing for a free Manhattan GMAT Prep item. Tell your friends to get out their scrap paper and start solving!
Here is this week’s problem:
In the figure above, ABC is a right triangle with AC as its hypotenuse, and PQRS is a square. What is the area of the square?
(1) AC is 70 units long.
(2) The product of the length of AS and the length of RC is 396.
