A fair die is thrown once. The probability of even composite number is

(a) 0   (b) 1/3  (c) 3/4  (d) 1

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  1. Class 10
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Transcript

Question 5 A fair die is thrown once. The probability of even composite number is (a) 0 (b) 1/3 (c) 3/4 (d) 1 Outcomes on throw of dice = 1, 2, 4, 5, 6 Even composite numbers = 4, 6 Thus, Total number of outcomes = 6 Total even composite numbers = 2 Thus, P(getting an even composite number) = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘’๐‘ฃ๐‘’๐‘› ๐‘๐‘œ๐‘š๐‘๐‘œ๐‘ ๐‘–๐‘ก๐‘’ ๐‘›๐‘ข๐‘š๐‘๐‘’๐‘Ÿ๐‘ )/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐‘œ๐‘ข๐‘ก๐‘๐‘œ๐‘š๐‘’๐‘ ) = 2/6 = ๐Ÿ/๐Ÿ‘ So, the 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.