Prep 6

This topic has expert replies
Source: — Data Sufficiency |

Master | Next Rank: 500 Posts
Posts: 168
Joined: Thu Nov 13, 2008 4:34 am
Location: Pittsburgh
Thanked: 9 times

by Tryingmybest » Thu Nov 20, 2008 8:09 am
A and B alone are not sufficient.

A * B is positive means both A and B are of same sign.

++ or --

If the sum is positive then it is ++

SO C :D