-
joyseychow
- Master | Next Rank: 500 Posts
- Posts: 125
- Joined: Mon Dec 15, 2008 9:24 pm
M= 2 +4^1/3 + 4^1/4joyseychow wrote:Easy one.... but brain de@d
2+ 4^1/3 +2^1/2
3.414 + 4^1/3
If 4^1/4 =2.414, then 4^1/3 >2.414
Hence E follows.
M is.....
This topic has expert replies
Source: Beat The GMAT — Problem Solving |
-
truplayer256
- Master | Next Rank: 500 Posts
- Posts: 392
- Joined: Thu Jan 15, 2009 12:52 pm
- Location: New Jersey
- Thanked: 76 times
Square root of 4 is obviously 2.
Cubic root of four is somewhere between 1 and 2.
4th root of four is somewhere between 1 and 2.
Maximum value of M is 2+2+2=6
Minimum value of M is 2+1+1=4
M must be between 4 and 6. It's clear that in this case, M is always greater than 4.
E
Cubic root of four is somewhere between 1 and 2.
4th root of four is somewhere between 1 and 2.
Maximum value of M is 2+2+2=6
Minimum value of M is 2+1+1=4
M must be between 4 and 6. It's clear that in this case, M is always greater than 4.
E
