चार व्यक्ति A, B, C, और D एक पंक्ति में बैठे हैं, जरूरी नहीं कि इसी क्रम में हों। उनमें से दो का मुख एक दिशा में है और अन्य दो का मुख विपरीत दिशा में है। B और D अंतिम छोर पर हैं और उत्तर की ओर मुख किए हुए हैं। A का मुख उसी दिशा में है जो उसके बाईं ओर के पड़ोसी का है। D, A के बाईं ओर है। बाएं से दाएं बैठने का क्रम क्या है?

Six children A, B, C, D, E, and F are standing in a line. F is to the left of E and to the right of B. D is between A and B. A is standing to the right of C. Who is standing at the extreme right?

Eight persons - P, Q, R, S, T, U, V, and W are seated in a linear row facing north. Four persons are seated between S and U. T is seated second to the right of U but does not sit at any of the ends. The number of persons seated to the right of S is one more than the number of persons seated to the left of V. P is seated second to the right of V. S and Q are immediate neighbors. Two persons are seated between Q and R. W is seated to the immediate right of R. Which of the following statements is true?