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

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Question 5 - CBSE Class 10 Sample Paper for 2022 Boards - Maths Standard [MCQ] - Solutions of Sample Papers for Class 10 Boards

Last updated at April 16, 2024 by

Two fair coins are tossed. What is the probability of getting at the most one head?

(a) 3/4  (b) 1/4   (c) 1/2   (d) 3/8

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Transcript

Question 5 Two fair coins are tossed. What is the probability of getting at the most one head? (a) 3/4 (b) 1/4 (c) 1/2 (d) 3/8 All outcomes = HH, HT, TH, TT Outcomes with atmost one head = Outcomes with no head + Outcomes with 1 head = TT, TH, HT Now, Probability of getting atmost one head = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘œ๐‘ข๐‘ก๐‘๐‘œ๐‘š๐‘’๐‘  ๐‘ค๐‘–๐‘กโ„Ž ๐‘Ž๐‘ก๐‘š๐‘œ๐‘ ๐‘ก 1 โ„Ž๐‘’๐‘Ž๐‘‘)/(๐‘‡๐‘–๐‘ก๐‘Ž๐‘™ ๐‘›๐‘ข๐‘š๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘œ๐‘ข๐‘ก๐‘๐‘œ๐‘š๐‘’๐‘ ) = ๐Ÿ‘/๐Ÿ’ So, the correct answer is (a)

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.