ArithmeticQuestion 395 of 550

How many numbers from 1 to 50 divide by 3 or by 5?

  1. 26
  2. 16
  3. 23
  4. 27
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Correct answer: 23

Multiples of 3: 16 numbers. Multiples of 5: 10 numbers. Multiples of 15: 3 numbers. Count = 16 + 10 − 3 = 23.

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Questions last reviewed: 21 October 2026