Check sibling questions

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

Last updated at May 29, 2023 by

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 Β  Β Β  Β Β Β Β Β Β Β (B) 240

(C) 480 Β  Β Β Β Β Β Β Β (D) 750

Β 

Slide23.JPG

Slide24.JPG

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class

Book a free demo

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 = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘‘π‘–π‘π‘˜π‘’π‘‘π‘  π‘π‘œπ‘’π‘”β„Žπ‘‘)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘‘π‘–π‘π‘˜π‘’π‘‘π‘ ) 0.08 = (π‘΅π’–π’Žπ’ƒπ’†π’“ 𝒐𝒇 π’•π’Šπ’„π’Œπ’†π’•π’” π’ƒπ’π’–π’ˆπ’‰π’•)/πŸ”πŸŽπŸŽπŸŽ 0.08 Γ— 6000 = Number of tickets bought Number of tickets bought = 0.08 Γ— 6000 Number of tickets bought = πŸ–/𝟏𝟎𝟎 Γ— 6000 Number of tickets bought = 8 Γ— 60 Number of tickets bought = 480 So, the correct answer is (C)

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.