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Kartik singh
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Asked: 2020-10-29T05:59:50+00:00 In:

A box contains 5 red marbles, 8 white marbles and 4 green marbles. One marble is taken out of the box at random. What is the probability that the marble taken out will be (i) red ? (ii) white? (iii) not green?

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NCERT Solutions for Class 10 Maths Chapter 15
Important NCERT Questions
PROBABILITY
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 9.1
Page No:308
Questions No:9

2020-2021cbsechapter 15class10mathematicsncertprobability
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    2 Answers

    1. Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download.
      Please follow the link to visit website for first and second term exams solutions.
      https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-15/

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    2. Best Answer

      Total number of marbles = 5 + 8 + 4 = 17
      (i) Number of red marbles = 5
      Probability of getting a red marble = (Number of favorable outcomes)/Number of total possible outcomes) = 5/17
      (ii) Number of white marbles = 8
      Probability of getting a white marble = (Number of favorable outcomes)/Number of total possible outcomes) = 8/17
      (iii) Number of green marbles = 4
      Probability of getting a green marble = (Number of favorable outcomes)/Number of total possible outcomes) = 4/17
      Probability of not getting a green marble = 1 – 4/17 = 13/17

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