📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

       How many 4-digit numbers can be formed from digits 1-6

      if repetition not allowed and number is even?
      A 180 Correct Answer Incorrect Answer
      B 120 Correct Answer Incorrect Answer
      C 150 Correct Answer Incorrect Answer
      D 200 Correct Answer Incorrect Answer

      Solution

      ATQ,

      → Last digit = {2, 4, 6} → 3 choices. Remaining 3 digits from 5 digits → P(5,3) = 60. Total = 3 × 60 = 180

      Practice Next

      Relevant for Exams:

      ask-question