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Question 27 - CBSE Class 10 Sample Paper for 2022 Boards - Maths Standard [MCQ] - Solutions of Sample Papers for Class 10 Boards

Last updated at Sept. 6, 2021 by

Two fair dice are rolled simultaneously. The probability that 5 will come up at least once is

(a) 5/36  (b) 11/36   (c) 12/26   (d) 23/36

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  1. Class 10
  2. Solutions of Sample Papers for Class 10 Boards

    3. CBSE Class 10 Sample Paper for 2022 Boards - Maths Standard [MCQ]

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Transcript

Question 27 Two fair dice are rolled simultaneously. The probability that 5 will come up at least once is (a) 5/36 (b) 11/36 (c) 12/26 (d) 23/36 Total Number of outcomes = 36 Number of outcomes where 5 will come up atleast once = 11 Probability that 5 will come atleast once = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘œ๐‘ข๐‘ก๐‘๐‘œ๐‘š๐‘’๐‘  ๐‘คโ„Ž๐‘’๐‘Ÿ๐‘’ 5 ๐‘ค๐‘–๐‘™๐‘™ ๐‘๐‘œ๐‘š๐‘’ ๐‘Ž๐‘ก๐‘™๐‘’๐‘Ž๐‘ ๐‘ก ๐‘œ๐‘›๐‘๐‘’)/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐‘›๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘œ๐‘ข๐‘ก๐‘๐‘œ๐‘š๐‘’๐‘ ) = ๐Ÿ๐Ÿ/๐Ÿ‘๐Ÿ” So, correct answer is (b)

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.