NCERT Exemplar Solutions
Class 10 - Mathematics - CHAPTER 13: Statistics and Probability - Exercise 13.1
Question 24

Question.  24

One ticket is drawn at random from a bag of tickets numbered 1 to 40. The probability that the selected ticket is a multiple of 5 is

(A)

\(\dfrac{1}{5}\)

(B)

\(\dfrac{3}{5}\)

(C)

\(\dfrac{4}{5}\)

(D)

\(\dfrac{1}{3}\)

Detailed Answer with Explanation:

Step 1: Total number of tickets

The tickets are numbered from 1 to 40. So, the total number of possible outcomes = 40.

Step 2: Favourable outcomes

We need tickets that are multiples of 5. Let’s list them:

5, 10, 15, 20, 25, 30, 35, 40

So, there are 8 favourable tickets.

Step 3: Formula for probability

Probability = \(\dfrac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}\)

Step 4: Substitute the values

\( P = \dfrac{8}{40} \)

Step 5: Simplify the fraction

\( \dfrac{8}{40} = \dfrac{1}{5} \)

Final Answer: Option (A) \(\dfrac{1}{5}\)

NCERT Exemplar Solutions Class 10 – Mathematics – CHAPTER 13: Statistics and Probability – Exercise 13.1 | Detailed Answers