Easy MCQ +4 / -1 PYQ · JEE Mains 2023

The number of 3 digit numbers, that are divisible by either 3 or 4 but not divisible by 48, is :

  1. A 400
  2. B 472
  3. C 507
  4. D 432 Correct answer

Solution

<p>Number divisible by 3 = 300</p> <p>Number divisible by 4 = 225</p> <p>Number divisible by 12 = 75</p> <p>Number divisible by 48 = 18</p> <p>Total required number = 300 + 225$-$ 75 $-$ 18 = 432</p> <p>$\therefore$ Option (1) is correct.</p>

About this question

Subject: Mathematics · Chapter: Permutations and Combinations · Topic: Fundamental Counting Principle

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