Given that
- Natasha can’t stand next to Jessica
- Rachel and Anna stand together.
- Ria can’t stand beside Rachel
- Anna stand Extreme right
Now coming to the question,
$\underbrace{\_}_{(1)}\underbrace{\_}_{(2)}\underbrace{\_}_{(3)}\underbrace{\_}_{(4)}\underbrace{\_}_{(5)}$
Anna stand second from left
$\underbrace{\_}_{(1)}\underbrace{Anna}_{(2)}\underbrace{\_}_{(3)}\underbrace{\_}_{(4)}\underbrace{\_}_{(5)}$
Natasha stand second from right
$\underbrace{\_}_{(1)}\underbrace{Anna}_{(2)}\underbrace{\_}_{(3)}\underbrace{Natasha}_{(4)}\underbrace{\_}_{(5)}$
from the data point (A), (1) is occupied by Jessica
$\underbrace{Jessica}_{(1)}\underbrace{Anna}_{(2)}\underbrace{\_}_{(3)}\underbrace{Natasha}_{(4)}\underbrace{\_}_{(5)}$
from the data point (B), (3) is occupied by Jessica
$\underbrace{Jessica}_{(1)}\underbrace{Anna}_{(2)}\underbrace{Rachel}_{(3)}\underbrace{Natasha}_{(4)}\underbrace{\_}_{(5)}$
remaining position is occupied by Ria
$\underbrace{Jessica}_{(1)}\underbrace{Anna}_{(2)}\underbrace{Rachel}_{(3)}\underbrace{Natasha}_{(4)}\underbrace{Ria}_{(5)}$
Answer : Ria is extreme right.