सात लोग B, D, E, P, S, T और W एक पंक्ति में उत्तर की ओर मुख करके बैठे हैं। S के दाईं ओर केवल दो लोग बैठे हैं। S और T के बीच केवल दो लोग बैठे हैं। W और P के बीच केवल दो लोग बैठे हैं। P, S के ठीक बाईं ओर बैठा है। E, D के ठीक दाईं ओर बैठा है। पंक्ति के बाएं छोर से तीसरे स्थान पर कौन बैठा है?

Seven people, C, D, E, F, W, X and Y, are sitting around a circular table facing the centre. Only two people sit between C and D when counted from the left of D. X sits to the immediate right of D. Only three people sit between D and E. F sits to the immediate right of W. How many people sit between Y and F when counted from the right of F?

Five students (A, B, C, D, and E) are standing in a line during a school assembly. C is standing exactly behind D. E is not standing behind B. A is standing ahead of C but not ahead of B. If 'behind' means being exactly next to someone's back and 'ahead' means anywhere in front of someone, who among the five students is standing at the third position from the front?