BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

GMAT Exponents of Exponents

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Master | Next Rank: 500 Posts
Posts: 105
Joined: Tue Oct 16, 2007 5:57 am
Thanked: 3 times

GMAT Exponents of Exponents

by abhi75 » Mon Jun 16, 2008 1:59 pm
If x^3y^4 = 5000, is y = 5?
1) y is a positive integer
2) x is an integer.

I was not able to simplify the exponents to get the value. Can someone please point out how to attack such problems.

Thanks
-A
Top
Source: — Data Sufficiency |
Junior | Next Rank: 30 Posts
Posts: 10
Joined: Sat Jun 14, 2008 8:45 pm

Re: GMAT Exponents of Exponents

by altin » Mon Jun 16, 2008 2:23 pm
You don't have to leys put 5 for y
x^3*5^3=5000 x^3=8
if we can find x^3=8 thand y can be -5 or 5
(1) NS itself
(2) If X is integer x can be only 2 but y might be 5 or -5
using together we get our answer

Good Luck
abhi75 wrote:If x^3y^4 = 5000, is y = 5?
1) y is a positive integer
2) x is an integer.

I was not able to simplify the exponents to get the value. Can someone please point out how to attack such problems.

Thanks
-A
Top
Post new topic Post Reply
• Page 1 of 1