integers

This topic has expert replies
Source: — Data Sufficiency |

User avatar
Legendary Member
Posts: 1560
Joined: Tue Nov 17, 2009 2:38 am
Thanked: 137 times
Followed by:5 members

by thephoenix » Sun Apr 11, 2010 5:37 am
from question 8!=K(a^n)
s1)-->a^n=64---> it can be 4^3 ; 2^6 and 8^2 for each condition k is an integer insuff

s2) if n is 6 then a has to be suff