CBSE Class 10 Sample Paper for 2023 Boards - Maths Standard

Practice Questions CBSE - Maths Class 10 (2023 Boards) →
Class 10
Solutions of Sample Papers for Class 10 Boards

Question 31 - CBSE Class 10 Sample Paper for 2023 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at Dec. 13, 2024 by

Two coins are tossed simultaneously. What is the probability of getting

(i)  At least one head?

(ii) At most one tail?

(iii) A head and a tail?

 

This question is Similar to Question 6 - Past Year MCQ - Chapter 15 Class 10

 

Slide96.JPG Slide97.JPG Slide98.JPG Slide99.JPG

 

You saved atleast 2 minutes of distracting ads by going ad-free. Thank you :)

You saved atleast 2 minutes by viewing the ad-free version of this page. Thank you for being a part of Teachoo Black.

Transcript

Question 31 Two coins are tossed simultaneously. What is the probability of getting (i) At least one head? (ii) At most one tail? (iii) A head and a tail?When 2 coins are tossed Possible outcomes = HH, TH, HT, TT Let’s solve each part individually (i) At least one head? Now, Outcomes with atleast with 1 head = HH, HT, TH Thus, P(getting atleast 1 head) = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘  π‘€π‘–π‘‘β„Ž π‘Žπ‘‘π‘™π‘’π‘Žπ‘ π‘‘ 1 β„Žπ‘’π‘Žπ‘‘)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘ ) = πŸ‘/πŸ’(ii) At most one tail? Now, Outcomes with atmost with 1 tail = HH, HT, TH Thus, P(getting atmost 1 tail) = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘  π‘€π‘–π‘‘β„Ž π‘Žπ‘‘π‘šπ‘œπ‘ π‘‘ 1 π‘‘π‘Žπ‘–π‘™)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘ ) = πŸ‘/πŸ’ (iii) A head and a tail? Now, Outcomes with a head and a tail = HT, TH Thus, P(getting with a head and a tail ) = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘  π‘€π‘–π‘‘β„Ž π‘Ž β„Žπ‘’π‘Žπ‘‘ π‘Žπ‘›π‘‘ π‘Ž π‘‘π‘Žπ‘–π‘™)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘ ) = 2/4 = 𝟏/𝟐

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 14 years. He provides courses for Maths, Science and Computer Science at Teachoo