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Question 15 - NCERT Exemplar - MCQ - Chapter 14 Class 10 Probability

Last updated at Dec. 16, 2024 by Teachoo

A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought?

(A)40             (B) 240

(C) 480          (D) 750

 

Transcript

Question 15 A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought? 40 (B) 240 (C) 480 (D) 750 Now, Probability of winning = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘ก๐‘–๐‘๐‘˜๐‘’๐‘ก๐‘  ๐‘๐‘œ๐‘ข๐‘”โ„Ž๐‘ก)/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘ก๐‘–๐‘๐‘˜๐‘’๐‘ก๐‘ ) 0.08 = (๐‘ต๐’–๐’Ž๐’ƒ๐’†๐’“ ๐’๐’‡ ๐’•๐’Š๐’„๐’Œ๐’†๐’•๐’” ๐’ƒ๐’๐’–๐’ˆ๐’‰๐’•)/๐Ÿ”๐ŸŽ๐ŸŽ๐ŸŽ 0.08 ร— 6000 = Number of tickets bought Number of tickets bought = 0.08 ร— 6000 Number of tickets bought = ๐Ÿ–/๐Ÿ๐ŸŽ๐ŸŽ ร— 6000 Number of tickets bought = 8 ร— 60 Number of tickets bought = 480 So, the correct answer is (C)
  1. Chapter 14 Class 10 Probability
  2. Serial order wise

    3. NCERT Exemplar - MCQ

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Chapter 14 Class 10 Probability
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Davneet Singh

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 and Computer Science at Teachoo