Order & Ranking

Rank-from-top/bottom problems solved with a single reliable formula.

📖 ~4 min read 🧠 RRB NTPC / Group D — Reasoning

Total number of people = (Rank from top) + (Rank from bottom) − 1

💡 Example: Ravi's rank is 15th from top and 22nd from bottom. Total students = 15+22−1 = 36

💡 Example: 5 people ranked by height: A>B, D is tallest, E<B. Order: D>C>A>B>E — so E is shortest.

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