VJesus12 wrote:What is the greatest integer x for which $$\frac{24,300,000,000}{2^x}$$ is an integer?
A. 8
B. 9
C. 10
D. 11
E. 12
The OA is A .
How can I find the correct answer? Should I try number by number? Experts, may you help me?
(24,300,000,000)/(2^x)
= (243 * 10�)/(2^x)
= (243 *
2� * 5�)/(
2^x).
The values in blue indicate that the greatest possible value for x is 8.
The correct answer is
A.
Private tutor exclusively for the GMAT and GRE, with over 20 years of experience.
Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.
As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.
For more information, please email me (Mitch Hunt) at
[email protected].
Student Review #1
Student Review #2
Student Review #3
