Example 6 - Chapter 15 Class 10 Probability (Important Question)

Last updated at August 11, 2026 by

Example 6 - Savita and Hamida are friends. What is probability - Examples

part 2 - Example 6 - Examples - Serial order wise - Chapter 14 Class 10 Probability

Remove Ads
Teachoo ยท Class 10 Explore Class 10

Transcript

Example 6 Savita and Hamida are friends. What is the probability that both will have different birthdays? (ignoring a leap year). P(both have different birthday) = P(both will not have same birthday) = 1 โ€“ P(both will have same birthday) = 1 โ€“ 1/365 = (365 โˆ’ 1)/365 = ๐Ÿ‘๐Ÿ”๐Ÿ’/๐Ÿ‘๐Ÿ”๐Ÿ“ Example 6 Savita and Hamida are friends. What is the probability that both will have (ii) same birthday? (ignoring a leap year). Number of days in an year = 365 Number of days when same birthday is possible = 1 P(both have same birthday) = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘‘๐‘Ž๐‘ฆ๐‘  ๐‘คโ„Ž๐‘’๐‘Ÿ๐‘’ ๐‘กโ„Ž๐‘’๐‘ฆ ๐‘๐‘Ž๐‘› โ„Ž๐‘Ž๐‘ฃ๐‘’ ๐‘ ๐‘Ž๐‘š๐‘’ ๐‘๐‘–๐‘Ÿ๐‘กโ„Ž๐‘‘๐‘Ž๐‘ฆ ๐‘–๐‘› ๐‘Ž๐‘› ๐‘ฆ๐‘’๐‘Ž๐‘Ÿ)/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐‘›๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘‘๐‘Ž๐‘ฆ๐‘  ๐‘–๐‘› ๐‘Ž๐‘› ๐‘ฆ๐‘’๐‘Ž๐‘Ÿ) = ๐Ÿ/๐Ÿ‘๐Ÿ”๐Ÿ“

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.