Multiple choice

A ticket is drawn from a bag containing $100$ tickets. The tickets are numbered from one to hundred. What is the probability of getting a ticket with a number divisible by $10$?

  1. $\dfrac{1}{10}$
  2. $\dfrac{1}{5}$
  3. $\dfrac{1}{20}$

  4. none
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A Correct answer
Explanation

Numbers divisible by 10 between 1 and 100 are 10, 20, 30, 40, 50, 60, 70, 80, 90, 100. There are 10 such numbers. Probability = 10 / 100 = 1/10.

AI explanation

The total number of tickets is 100. The tickets divisible by 10 are 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100, giving 10 favorable outcomes. Using the classical probability formula, 10/100 simplifies to 1/10. The result is 1/10.

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