RRB NTPC · Question 92
Find the number which does NOT belong to the group: 101, 242, 363, 484
Show answer & explanation
Answer: (D) 101
Explanation
242 = 2 × 121, 363 = 3 × 121 and 484 = 4 × 121 are multiples of 121; 101 is not.
Railways PYQCBT 2 2017