BA LLB Banaras Hindu University 2017 Solved Paper

Proceed column wise. In each column the Second Number is equal to First Number + 1 and the Third Number is equal to First Number $+2$ (or Second Number + 1)
1st Column
$0+1=1$ and $1+1=2$
2nd Column
$-1+1=0$ and $=0+1=1$
3rd Column
$-2+1=-1$ and $-1+1=0$