English

A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6,000 tickets are sold, how many tickets has she bought? - Mathematics

Advertisements
Advertisements

Question

A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6,000 tickets are sold, how many tickets has she bought?

Options

  • 40

  • 240

  • 480

  • 750

MCQ

Solution

480

Explanation:

Given, total number of sold tickets = 6000

Let she bought x tickets.

Then, probability of her winning the first prize = `x/6000` = 0.08  ...[Given]

⇒ x = 0.08 × 6000

∴ x = 480

Hence, she bought 480 tickets.

shaalaa.com
  Is there an error in this question or solution?
Chapter 13: Statistics and Probability - Exercise 13.1 [Page 160]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 10
Chapter 13 Statistics and Probability
Exercise 13.1 | Q 23 | Page 160

RELATED QUESTIONS

A number is chosen at random from the number –3, –2, –1, 0, 1, 2, 3. What will be the probability that square of this number is less then or equal to 1?


A bag contains 5 white balls, 6 red balls and 9 green balls. A ball is drawn at random from the bag. Find the probability that the ball drawn is

  1. a green ball.
  2. a white or a red ball.
  3. neither a green ball nor a white ball.

A bag contains 16 coloured balls. Six are green, 7 are red and 3 are white. A ball is chosen, without looking into the bag. Find the probability that the ball chosen is white or green.


A man tosses two different coins (one of Rs 2 and another of Rs 5) simultaneously. What is the probability that he gets at most one head? 


One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting a black face card.


One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting the jack or the queen of the hearts.


A bag contains a red ball , a blue ball and a yellow ball , all the balls being of the  same size . Anjali takes out a ball from the bag without looking into it . what is the probability that she takes out . 

(i) Yellow ball?


The heights of 60 students of a class are given in the following table : 

Height(in cm) 150-155 155-158 158-160 160-165 165-172
No. of students 8 20 25 4 3

Find the probability that the height of a student lies in the interval 

(i) 155-158 


A perfect cubic die is thrown .Find the probability that
(ii) a perfect square comes up. 


A coin is tossed twice . what is the probability of getting

(ii) atmost 1 tail


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×