NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 1 2020

RRB NTPC · Question 90

Four numbers have been given, out which three are alike in some manner and one is different. select the number that is different from the rest.

  1. 41

  2. 35

  3. 43

  4. 37

Show answer & explanation

Answer: (B) 35

Explanation

41, 43 and 37 are prime numbers. 35 = 5 × 7 is composite, so it is different from the rest.