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Choose the correct alternative: A man has 3 fifty rupee notes, 4 hundred rupees notes and 6 five hundred rupees notes in his pocket. If 2 notes are taken at random, what are the odds in - Mathematics

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प्रश्न

Choose the correct alternative:

A man has 3 fifty rupee notes, 4 hundred rupees notes and 6 five hundred rupees notes in his pocket. If 2 notes are taken at random, what are the odds in favour of both notes being of hundred rupee denomination?

पर्याय

  • 1 : 12

  • 12 : 1

  • 13 : 1

  • 1 : 13

MCQ

उत्तर

1 : 12

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Probability
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 12: Introduction to probability theory - Exercise 12.5 [पृष्ठ २६६]

APPEARS IN

सामाचीर कलवी Mathematics - Volume 1 and 2 [English] Class 11 TN Board
पाठ 12 Introduction to probability theory
Exercise 12.5 | Q 7 | पृष्ठ २६६

संबंधित प्रश्‍न

An unbiased die is thrown twice. Let the event A be the odd number on the first throw and B the event odd number on the second throw. Check whether A and B events are independent.


Two urns contain the set of balls as given in the following table

Title White Red Black
Urn 1 10 6 9
Urn 2 3 7 15

One ball is drawn from each urn and find the probability that

  1. both balls are red
  2. both balls are of the same colour.

The first of three urns contains 7 White and 10 Black balls, the second contains 5 White and 12 Black balls and the third contains 17 White balls and no Black ball. A person chooses an urn at random and draws a ball from it. And the ball is found to be White. Find the probabilities that the ball comes from

  1. the first urn
  2. the second urn
  3. the third urn

Three horses A, B, C are in the race. A is twice as likely to win as B and B is twice as likely to win as C. What are their respective probabilities of winning?


A die is thrown. Find the probability of getting

  1. a prime number
  2. a number greater than or equal to 3

From a pack of 52 cards, two cards are drawn at random. Find the probability that one is a king and the other is a queen.


The two events A and B are mutually exclusive if


If the outcome of one event does not influence another event then the two events are


Probability of an impossible event is _________.


Probability that at least one of the events A, B occur is


A committee of two persons is formed from 3 men and 2 women. What is the probability that the committee will have

  1. No woman
  2. One man
  3. No man

Data on readership of a magazine indicates that the proportion of male readers over 30 years old is 0.30 and the proportion of male readers under 30 is 0.20. If the proportion of readers under 30 is 0.80. What is the probability that a randomly selected male subscriber is under 30?


Gun 1 and Gun 2 are shooting at the same target. Gun 1 shoots on the average nine shots during the same time Gun 2 shoots 10 shots. The precision of these two guns is not the same. On the average, out of 10 shots from Gun 2 seven hit the target. In the course of shooting the target has been hit by a bullet, but it is not known which Gunshot this bullet. Find the chance that the target was hit by Gun 2?


What is the chance that non-leap year


Eight coins are tossed once, find the probability of getting atmost two tails


An integer is chosen at random from the first 100 positive integers. What is the probability that the integer chosen is a prime or multiple of 8?


A cricket club has 16 members, of whom only 5 can bowl. What is the probability that in a team of 11 members at least 3 bowlers are selected?


Choose the correct alternative:

An urn contains 5 red and 5 black balls. A ball is drawn at random, its colour is noted and is returned to the urn. Moreover, 2 additional balls of the colour drawn are put in the urn and then a ball is drawn at random. The probability that the second ball drawn is red will be


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