Chapter-15 Probability NCERT Exercise Solution | Class 10 | Exercise 15.1 | Question 7, 8 and 9

Welcome to CBSE Worldz. In this video we will be discussing CBSE class 10 Maths NCERT Exercise Chapter 15 Probability Exercise 15.1
Q7: It is given that in a group of 3 students, the probability of 2 students not having the same birthday is 0.992. What is the probability that the 2 students have the same birthday?
Q8: A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is (i) red ? (ii) not red?
Q9: A box contains 5 red marbles, 8 white marbles and 4 green marbles. One marble is taken out of the box at random. What is the probability that the marble taken out will be
(i) red ? (ii) white ? (iii) not green?

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Chapterwise Playlist Link
👉Chapter 3 Pair of Linear Equations in two variables:
👉Chapter 8 Introduction to Trignometry
👉Chapter 9 Some applications of Trignometry
👉Chapter 11 Constructions
👉Chapter 12 Area related to circles
👉Chapter 13 Surface area and volume
👉Chapter 14 Statistics

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[cbseworldz]

Chapterwise Playlist Link
👉Chapter 3 Pair of Linear Equations in two variables:
👉Chapter 8 Introduction to Trignometry
👉Chapter 9 Some applications of Trignometry
👉Chapter 11 Constructions
👉Chapter 12 Area related to circles
👉Chapter 13 Surface area and volume
👉Chapter 14 Statistics

[vaibhavparashar]

sir cbse ke sample paper mai case study wale question 2nd aur 7th chapter se liye gye hai toh kya board mai bhi polynomials aur coordinate geometry se hi case study wale quetion aayenge
plz reply sir