DSE 2012 Question 34: Linear regression and OLS

For variables $X$ and $Y$ we have the data $\sum XY=350,\ \sum X=50,\ \sum Y=60,\ \overline{X}=5,\ \sigma_{X}^{2}=4,\ \sigma_{Y}^{2}=9$ where $\overline{X}$ denotes the mean of $X$ and $\sigma_{X}^{2}$ denotes the variance of $X$. Which of the following holds