Eight friends - Neeraj , Vineet, Anand, Saurabh, Prashant, Aniket, Rajesh and Prateek - are sitting around a circular table, not necessarily in the same order. Four of them are facing inside others are facing outside. They are belong to eight different cities - Bhopal, Patna, Kolkata, Delhi, Gwalior, Bengaluru, Chennai and Rajkot, but not necessarily in the same order.
Aniket faces the Centre and sits third to the right of Anand. Saurabh belongs to Kolkata and faces the person who belongs to Bengaluru. Rajesh sits third to the right of Vineet, who stays in Bhopal. The persons who belong to Delhi and Gwalior are facing to the same direction (inside or outside). Prashant is sitting between the person who belongs to Kolkata and the one from Rajkot respectively. Neeraj belongs to Gwalior and Anand belongs to Patna. The person who belongs to Chennai is facing outward and immediate neighbor of Rajkot. Prateek is immediate neighbor of the persons who belong to Gwalior and Chennai. Prashant is immediate left of Saurabh.
Quadratic Equations mein Sign dekh k yeh toh pata chalta hai k roots Positive hai ya negative . But roots kon kon se hai iske liye toh solve karna hi padega ya iske liye bhi koi shortcut hai ??