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Railways PYQCBT 1 2020

RRB NTPC · Question 73

6889 students are sitting in an auditorium in such a manner that there are as many students in a row as there are rows in the auditorium. How many rows are there in the auditorium?

  1. 87

  2. 73

  3. 83

  4. 77

Show answer & explanation

Answer: (C) 83

Explanation

Rows × students per row = n² = 6889, so n = √6889 = 83.