The ratio in which $\hat i+2 \hat j+5 \hat k$ divides the join of $-2\hat i+3 \hat j+5 \hat k$ and $7 \hat i - \hat k$ is

Question

$$\begin {array} {1 1} (a)\;2:1 & \quad (b)\;2:3 \\ (c)\;3:4 & \quad (d)\;1:4 \end {array}$$