Explanation:

Let’s break it down step-by-step:

- Six friends: Aman, Sneha, Tushar, Ritika, Prerna, Sharique.

- Aman is second right to Sneha.

- Tushar is at the immediate left of Sneha.

- Ritika is not next to Sneha or Tushar.

- Ritika is second right to Prerna.

- Sharique is between Ritika and Tushar.

Arranging:

1. Place Sneha somewhere. Tushar at Sneha’s immediate left.

2. Aman is second right to Sneha.

3. Ritika avoids Sneha and Tushar, and sits second right to Prerna.

4. Sharique sits between Ritika and Tushar.

After arranging, it is found:

- Sharique is the immediate neighbour of both Tushar and Prerna.

Options:

1. Aman

2. Ritika

3. Sharique

4. Sneha

Correct answer: Option 3 - Sharique