Search found 5 matches
Hmm....
I don't see how that would solve the problem above. Please advise.rajs.kumar wrote:Probably you should try using this
2 ^ 2 ^ 17 - 2 ^ 26 = 2 ^ 26 (2 ^ 8 - 1) = 2 ^ 26 x 255
- by tonker
Tue Jan 16, 2007 5:39 pm- Forum: Problem Solving
- Topic: Please help with this one
- Replies: 7
- Views: 4106
Please help with this one
What is the greatest prime factor of 4^17 - 2^26?
a) 2
b) 3
c) 5
d) 7
e) 11
Source: GMAT Prep test
Thanks,
Vito
- by tonker
Tue Jan 16, 2007 4:33 pm- Forum: Problem Solving
- Topic: Please help with this one
- Replies: 7
- Views: 4106
Re: Can someone help me with this problem?
This is from the GMAT Prep.tonker wrote:1001^2 - 999^2 / 101^2 - 99^2 ?
a) 10
b) 20
c) 40
d) 80
e) 100
Answer is a. Can someone please explain it.
Thanks,
Vito
- by tonker
Tue Jan 16, 2007 4:22 pm- Forum: Problem Solving
- Topic: Can someone help me with this problem?
- Replies: 7
- Views: 4140
Can someone help me with this problem?
1001^2 - 999^2 / 101^2 - 99^2 ?
a) 10
b) 20
c) 40
d) 80
e) 100
Answer is a. Can someone please explain it.
Thanks,
Vito
- by tonker
Tue Jan 16, 2007 3:57 pm- Forum: Problem Solving
- Topic: Can someone help me with this problem?
- Replies: 7
- Views: 4140
Can someone help me with this problem from GMATPrep?
If xy=1, what is the value of
2 ^(x+y)^2 / 2 ^(x-y)^2 ?
a) 2
b) 4
c) 8
d) 16
e) 32
The answer is d - but can you provide me with the explanation.
Thanks,
Vito
- by tonker
Mon Jan 08, 2007 5:17 pm- Forum: Problem Solving
- Topic: Can someone help me with this problem from GMATPrep?
- Replies: 5
- Views: 3360