5 girls P,Q, R,S and T are sitting in raw facing north (not necessarily in the same order).
5 girls P,Q, R,S and T are sitting in row facing north (not necessarily in the same order). Q is the immediate neighbour of P and R.R is not to the left of Q. T and S are immediate neighbours. T and S both are to the right of Q. S is not at any end of the row. Who is sitting at second position from left end of the row?
5 लड़कियाँ P, Q, R, S और T एक पंक्ति में उत्तर दिशा की ओर मुख करके बैठी हैं (ज़रूरी नहीं कि इसी क्रम में हों)। Q, P और R की निकटतम पड़ोसी है। R, Q के बाईं ओर नहीं है। T और S निकटतम पड़ोसी हैं। T और S दोनों, Q के दाईं ओर हैं। S पंक्ति के किसी भी सिरे पर नहीं है।पांक्ति के बाएँ सिरे से दूसरे स्थान पर कौन बैठा है?
Detailed Solution & Logic
Q
आइए इसे चरण-दर-चरण हल करते हैं:
शर्तें:
- Q, P और R दोनों की immediate neighbour है
⇒ P – Q – R या R – Q – P - R, Q के बाईं ओर नहीं है
⇒ R, Q के दाईं ओर होगा
इसलिए व्यवस्था बनेगी:
P – Q – R
- T और S immediate neighbours हैं
- T और S दोनों Q के दाईं ओर हैं
- S किसी भी छोर पर नहीं है
अब P–Q–R को बैठाते हैं:
स्थान: 1 2 3 4 5
यदि Q बीच में हो:
P Q R S T
यहाँ S अंत (4th) पर नहीं है और T-S साथ हैं? नहीं।
दूसरा तरीका:
P Q R T S
यहाँ S अंत (5th) पर आ गया, जो गलत है।
अब Q को दूसरे स्थान पर रखें:
P Q R S T
S और T साथ हैं, Q के दाईं ओर हैं, और S अंत पर नहीं है ✔️
अंतिम व्यवस्था:
P Q R S T
बाएँ से दूसरा स्थान = Q
सही उत्तर: Q
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