RRB NTPC · Question 1
Fill in the blank: 0, 2, 6, ______, 20, 30, 42
Show answer & explanation
Answer: (A) 12
Explanation
The terms are n(n − 1): 0, 2, 6, 12, 20, 30, 42 (differences 2, 4, 6, 8, 10, 12). The blank is 12.
Railways PYQCBT 2 2017
RRB NTPC · Question 1
Answer: (A) 12
The terms are n(n − 1): 0, 2, 6, 12, 20, 30, 42 (differences 2, 4, 6, 8, 10, 12). The blank is 12.