RRB NTPC · Question 3
Select the related number from the given alternatives. 3 : 11 : : 7 : ?
Show answer & explanation
Answer: (D) 51
Explanation
The rule is n² + 2: 3² + 2 = 11. Applying the same rule, 7² + 2 = 49 + 2 = 51.
Railways PYQCBT 2 2017
RRB NTPC · Question 3
Answer: (D) 51
The rule is n² + 2: 3² + 2 = 11. Applying the same rule, 7² + 2 = 49 + 2 = 51.